how to cut a 9x13 cake into 24 piecesbrian perri md wife
Pour 1/2 the can sweetened condensed milk over the graham cracker crust. Instead, place a cutting board mat or a large dish towel on the table to protect your cake from falling over. Those are some rather enormous portions of cake. To cut a sheet cake into neat, even pieces, it takes a bit of prep. This approach also works for sheet cakes that are 9 x 13, 11 x 15, and 12 x 18 inches in size. 8, 9, and so on. five functions of red blood cells. Repeat on the other side of the middle cut. Step 1: Cut the cake into quarters (4 pieces) using 2 of the cuts - one horizontally down the centre of the cake and the other vertically down the centre of the cake. Bar cookies should be allowed to cool in their baking pans on a cooling rack before being removed. For tips on how to cut your cake with flavorless dental floss, keep reading! Slice vertically along your scoring line. Assemble the cake by placing the 9-inch by 6 -inch cake in the lower half of your cake board forming the unicorn's body. 3 Place your cake on a non-slip surface to avoid slipping. Press the knife against the cake board or cutting board until it makes contact. Log in; . To cut a 9x13, 2 layer cake, into 1x2x4" pieces (and I always round down to even numbers to make it easier), you would cut 8 rows (the 9" side cut into approx 1" rows) by 6 columns (the 13" side cut into approx 2" columns). Buttermilk is the Southern-secret ingredient that makes this cake moist. (See illustration) Repeat the process on the other side of the middle slicing line. But all too often, when you cut cake the slices end up smeared with frosting and smattered with crumbs. METHOD #2 WITH AN ELECTRIC KNIFE She graduated from LAcademie de Cuisines Pastry Arts Program with honors and studied at Baltimore International Culinary College. A cake cutter makes it easy to score the top of cakes or pies so you achieve even slices every time. Make a second incision on either side of the main cut. If you want to cut the cake horizontally, do so. There are 7 references cited in this article, which can be found at the bottom of the page. The gooey and sticky nature of brownies is heightened when they are still warm, which results in sloppy edges and a sloppy appearance to the brownies. The following are some extra techniques and strategies to make slicing and serving a cakewalk: Pour hot water over your knife after each slice if you are cutting a dense cake to avoid the knife from adhering to or ripping up the cake. Account. Knowing how many pieces to expect when preparing a cake for a birthday party or other special event is important when planning a cake for a crowd.The number of servings is determined by the size of the pieces you cut as well as the type and size of the cake you choose to make.The usual servings per cake might assist you in determining the form of cake to create in order to ensure that everyone of your guests receive a piece of cake.Example: If youre having a party, a huge rectangle cake will provide the most servings, whereas round cakes are ideal for smaller gatherings such as a dinner party. . Starting in the centre of the entire block of bars, align the chefs knife with the score markings.Remove the chefs knife and discard it.Then, extending the knife over the surface of the bars, extend it to the opposite side.Put firm pressure on the knife as it passes through the bars and gently bring it out of the end that is closest to you.This procedure can be repeated as many times as necessary. one-bowl cherry upside-down cake Photo by Alex Lau Standard pan areas cheat sheet 13x9 = 117 square inches 9x9 = 81 square inches 8x8 = 64 square inches Half sheet (aka 18x13) = 234 square inches. For a 139 pan: Start on the shorter side facing toward you. circles, then slicing those outer circles until a 6 in. 5. Make two or three twisting motions with the floss over each finger finger before pulling it straight. You will need to know the size of the cake and the number of people you want to serve. A full sheet cake will yield 192, 96, or 64 servings. To get even cleaner cuts, you can even use dental floss. Instead, combine the movement of the cake with the board. 8 x 8 equals 64 square inches, which when multiplied by two equals 128 square inches. How do you cut a 9x13 cake evenly? Making the cake even and flat is essential. It is best not to place your cake straight on a smooth tabletop or counter top. By sawing through the cake with a serrated knife, you may ensure that each slice is not compressed while cutting with a serrated knife. It will make 54, 24, or 18 servings from a quarter sheet cake, 108, 54, or 36 servings from a half sheet cake. 24 Oreos 1 jar Reese's creamy PB 3/4 cup crushed cocktail peanuts 1 box chocolate cake mix 1 1/2 sticks unsalted butter 1 jar caramel sauce 1 cup crushed pretzels Place Oreos in 9x13 baking dish. $6.29 /Each It's easy to serve equal-sized pieces of cake with this Choice 60 piece stainless steel full size sheet cake marker. The tradition of blowing out candles and cutting a cake is followed by all birthday celebrations worldwide.A birthday is not complete without a birthday cake, and this is a tradition that is practiced all around the world on birthdays.People of all nationalities and races follow a more or less same routine when it comes to blowing out candles, cutting birthday cakes, and singing the happy birthday song on their birthday.But do you have any idea where this tradition came from?Continue reading to learn more about the custom of birthday cake and why we blow out candles on special occasions. You can even create a guide on top of the cake to help you get even cuts. (See this page for instructions on how to maintain your blades sharp.) Learn them here.Red Book Magazine:http://www.redbookmag.com/?src=syn&mag=rbk&dom=youtube&chan=home&link. Do not bring your knife back up until you have dragged it all the way out of the cake. Remove the bars from the pan by using a thin, narrow metal spatula. NOTE: Once single-layer bar cookies (such as brownies) have completely cooled, they can be transferred out of their baking pans onto a cutting board and cut into rectangles, squares, diamonds, or other shapes as desired. Cake Serving Size Area = Piece of Cake Length x Piece of Cake Width. 18" x 26" pan = 468" 2 pan area; You're serving cake slices that measure 2" x 2". If only 8 guests arrive, one spare piece must also be cut into 8 equal portions. Three 8" rounds to a 9" x 13" pan: Increase the bake time by 25% to 30%. Scoring isnt necessary. When you draw the first line cut, you cut it into $2$ pieces. Continue to slice into the bars, dipping and wiping the knife between each cut to get an equal cut. Initially, we have two components that are quite similar. 4Using the horizontal scores, cut separate slices from the sheet of paper. To make 20 slices, divide the short side into four halves and the long side into five sections on each sides. (Image courtesy of istock.) This rectangle-shaped pan makes it easy to cut square-shaped slices. liverpool v nottingham forest 1989 team line ups; best crews to join in gta 5. jay chaudhry house; bimbo bakeries buying back routes; pauline taylor seeley cause of death This banished the myth that a cake can only be cut at weddings and led to the creation of the tradition of cutting a cake on birthdays. The way to do this is through a quick calculation. Cut another horizontal line across the cake, 2 in. With any luck, the slice is gracefully removed to reveal the beautiful layers inside. Slicing a cake into neat, even pieces may be a difficult task, and if youve ever worried about reaching cake-cutting greatness, you need not be concerned anymore! doing the math is easy on a rectangle cake. If your cake did not come with a cake board, move it to a larger cutting board or cake stand before serving. Assuming the cake is square, the following is true: a first slice is made by cutting horizontally to make two equal pieces. In order to make a flawless cut, pull the knife out from the side of the cake rather than raising it through the top of it. Attempting to level your cake may be necessary if it appears to be particularly crooked, but sheet cakes often bake quite flator at the very least flat enough that a little additional icing around the borders may make up for the difference. Then, layer the parchment paper with one piece going lengthwise along the pan and the other going widthwise. Using a flat spatula or butter knife, score the top of your cake before cutting it into pieces. Finally, cut each piece in half diagonally to create 24 triangular slices.When cutting a cake into pieces, it is important to use a sharp knife so that the slices are clean and even. Then cut across the opposite direction to produce rectangles, which should be between 3 and 4 inches in width and length. Cut the cake into quarters (4 pieces) using two cuts one horizontally along the center of the cake, and another vertically down the center of the cake utilizing two of the cuts. However, as we all know, red velvet is a classic, so if you want to make it 913 style, go right ahead! Lay a ruler along the long side of your cake, and gently press the dull side of your knife or spatula into the top of cake every 2 in (5.1 cm). 16. Only you know how much your family and friends are eating, so make adjustments as necessary. 7. To get 16 pieces out of the cake, cut it into quarters, then cut each quarter in half, and then cut each half in half again. If you clean the knife after each cut, you will find the procedure to be less difficult and less dirty for yourself. Different cakes require different cutting techniques. Include your email address to get a message when this question is answered. Place the two leg pieces under the body piece about of an inch from either edge. pieces, then serving them before cutting another horizontal line. Look for dental floss that does not have any flavoring. As a general rule, cakes must be trimmed before they can be frosted. Gently insert the blunt end of the dull side of your knife or spatula into the top of the cake every 2 in (5.1 cm). 8. For square or rectangular cakes, cut across the width of the cake and make parallel slices. Line your blade up along one of your two outermost scoring lines. Square and round baking pans are used for smaller cakes and are available in 8-inch and 9-inch sizes, respectively. Allow the brownies to cool completely in their pan. How do you cut a 913 pan into 24 pieces? You just need to make a little indentation in the top of your cake or icing to serve as a guide when you cut the cake or frosting. Tiers that are rounded Cakes for two-tier weddings start at 6 pounds (30 servings) when employing a 6-inch-thick layer on a 10-inch-thick layer. Cutting neat, professional-looking slices every time will be a breeze with this step-by-step instruction. You should keep in mind that the shorter and taller slices of a 12 inch cake are 6 inches in length and 4 or 5 inches in height. It will be two layers of cake that I cut in half to make four thin layers, each sandwiching a thin layer of filling. According to mythology, cakes were offered to visitors at major events such as weddings in the ancient Roman civilization.When these cakes were first created, the components such as wheat, honey, and nuts were used to make them in flat circular forms.Single-layered cakes for birthday celebrations were first brought to the market by German bakers in the 15th century AD.This dispelled the idea that cakes may only be cut at weddings and paved the way for the establishment of the practice of cutting birthday cakes.Cakes underwent several transformations throughout history, and modern-day cakes were not introduced until the late 17th century.These cakes were covered in cream and embellished with gorgeous frosting, and they were also available in a variety of forms to choose from. Approximately 15-1/2 x 10-1/2 x 1-Inch (Jelly Roll) Pan Yield. Preheat your 9-inch x 13-inch round cake pan to 350 degrees. A ruler should be placed down the long edge of your cake. On August 4, 2015, Annalise posted a blog entry (updated April 3, 2020) If youre hoping to give your layer cake a little additional oomph, adding more cake layers is a terrific method to accomplish your goal.When you cut into a taller cake, youll hear more oohs and aahs from your friends and family as they watch you slice into it.While it is possible to bake each layer separately, you may not have enough cake pans or oven space, in which case cutting cake layers in half horizontally is the best option.It is possible to divide cake layers in half using a variety of methods.You may use a specialized tool, cut them in half using toothpicks, or even use dental floss to divide the layers.This strategy, on the other hand, is my personal favorite. Even though a real sheet cake is 16 by 24 by 2 inches (40.6 inches by 61.0 inches and 5.1 centimeter), sheet cakes and sheet cake pans are also available in half and quarter sizes. With over 24 years of experience, she specializes in specialty desserts and wedding cakes. If more than the 18-slice average is needed, one can always cut the pieces smaller. For this, fill a tall container with hot tap water, deep enough to cover the full blade of the knife (a pitcher or vase works nicely). Lets get this party started now that youre ready! To find the cake serving size area, multiply the length and width of the cake slice. 3 tier wedding cakes start at 10 pounds (50 servings) and may be made with tiers of 6, 9, and 12 inches in height. No more guessing this procedure is effective regardless of the size of the cake being sliced. espn access to this program is not included in your spectrum tv subscription. Answers to the interview questions. 10 x 5 1-1/2 x 2 in. For squares and rectangles: The surface area of a square or rectangular pan is computed by multiplying one side by the opposite side. pieces of cake. Two layers of cake will be sandwiched between two thin layers of filling, each sandwiched between two thin layers of cake. 4. When it came to cutting cake, we discovered that serrated blades performed better than chefs knives; they produced cleaner slices with less icing stains. One and a half boxes of mix are required for a 122 round. There will be 30-40 people at the party. This may be calculated by dividing the surface area of the bigger pan by that of the 8-inch skillet. The number of slices one can get from a cake made in a 9 x 13-inch cake pan depends on how big the slices are. Cut the bars in the pan into rectangles, squares, diamonds, or any other form you like with a clean, sharp knife. (Image courtesy of istock.) The usual serving size divides the cheesecake into 12 slices that are evenly spaced. Sheet cakes may be cut into a variety of sizes with relative ease. When slicing light and airy cakes such as angel food or chiffon, use a serrated knife and saw to cut through the cake gently without deflating the airiness of the cake. According to our experience, the recommendations provided below are an excellent general reference for new clients in deciding the size cake they will require. 48 x 4 1-1/4 x 2-5/8 in. Advertisement submissions are welcome. Generally speaking, cupcakes take approximately half the time to bake as a 9-inch round cake does. A 913 pan has a surface area of 117 square inches. During the 15th century AD, the German bakeries introduced single-layered cakes for birthday celebrations in the market. Gently insert the blunt end of the dull side of your knife or spatula into the top of the cake every 2 in (5.1 cm). It is simple, accurate, and does not need the use of expensive equipment. Turn cheesecake into mini cheesecake bites! Begin on the shorter side of the pan, with the shorter side facing you.Cut away from you until you reach the midway point.Find the midway point between the edge and the center cut, then cut all the way down to the bottom of the piece of plywood.Repeat the process on the other side of the middle slicing line.The pan should be turned longways. In average, a 13-by-9-inch cake will take around 5 to 10 minutes less time to bake than two 9-inch cake layers together. Spread the bottom layer with frosting or other filling, replace the top cake layer . Once the 21 outer slices of cake have been removed, you have a new, but smaller, round cake to cut. In the case of circular cakes, you may either bake them in a single layer or bake them in two layers and put icing between them. An electric mixer can be used to whip the eggs, sugar, vanilla, cardamom, oil, baking soda, and yogurt for 6-8 minutes. Next, cut each strip into eight equal pieces. Most complicated cake carvings will need a series of templates, so try to get images of your shape from every angle. Its prepared in a 9-by-13-inch cake pan, which is normal. university of texas dri fit hat; candace nelson chocolate olive oil cake; exploring science: 4penny johnson; arvada police news; how to cut a 9x13 cake into 24 pieces. Lift the top layer away from the bottom layer with the knife.When lifting a cake, it should be robust enough to avoid buckling or crumbling.However, if youre working with a cake round bigger than 8 or 9 inches in diameter or with cake layers that are exceedingly thin, you may need to take a little more precaution.To use the separated layers immediately, stack them together to form a layer cake.Alternatively, separate the layers and keep them in the refrigerator for up to 5 days or the freezer (double-wrapped) for up to 1 month. While you can bake each layer individually, you might not have enough cake pans or oven space, so splitting cake layers in half horizontally is the way to go. Easy. When constructing a double-layer cake, make the sections a little thinner so that the serving size isnt too enormous when sliced into slices. As you work your way around the outside of the cake, push your knife down at a 45-degree angle until its tip makes contact with the board. Then cut across the other way to form rectanglesthey should be between 3 and 4 inches across. You may increase the recipe by three for the half page since 192 divided by 64 equals exactly three. To make odd-numbered servings or to cut the cake into 10 slices, delicately score the surface of the cake before slicing it to get a sense of the size of the pieces before slicing. Generally, a round cakewhether it is one, two, or three layerswill yield the same number of servings. If your piece of cake is extremely resistant, you may need to use a fork to assist transfer it onto the plate. Wedding-size pieces are cut to 1 x 2 inches. Prepare a stable platform for your cake so that it will not slip when you are cutting it. To make cutting the squash even easier, score the squash on the outside and then microwave it for 5 minutes. (One hundred and fifty visitors divided by five equals twenty) If you want to save the top tier for the couple to take home, youll need to add another 2-3 pounds to the overall weight.Size and weight of the top levels range from 6 to 8 in height and from 1.5 to 3 lbs.When comparing wedding cake rates, always inquire as to how much the cake will weigh, rather than how many portions it would include. The gathering will have between 30 and 40 attendees. When served in a single layer, square cakes are often sliced into square pieces with three or four cuts along each length. In 2010, she had a cake named one of Americas Most Beautiful Cakes by Brides magazine. (eight inches) 812 servings per recipe 3 lb. (12) 25 to 35 servings per recipe. Continue this pattern until entire cake is cut. Alternatively, tweak your baking time and temperature. If you plan to cut them larger, such as 3x2x2, this implies that the cake will be sliced into about 3 rows by 6 columns, which equals 18 servings. Pieces of Cake. 5Be sure to switch up your floss between each cut. In order to produce jelly rolls, make sure your pan has some type of edge, even if it is only a cookie sheet or a baking sheet. how to cut a 9x13 cake into 24 pieces. Because of the form of a sheet cake, you will need a longer knife to cut all the way through it completely. Starting with a corner piece, cut the slice in half. Start checking around 15 minutes before the time specified in the original recipe to be on the safe side. Then you will get a cake looks like the image below, which is 9 pieces. Media Platforms Design Team. Make use of your knife to extend those four half-lines so that they run the length of the cakes circumference. 1. If your cake was delivered on or was decorated on a cake board, do not remove the board from the cake box. It's useful to have a towel handy so you can wipe the knife down between every slice to keep your cuts crisp. Getting perfectly sized sheet cakes slices is a different story, though. Go slowly and carefully, getting down to eye level if necessary, and avoid cutting too deeply. Press the knife down until it hits the cake board or cutting board. Every slice is beautifully uniform. You fold it (x-axis) to half when first vertical cut, and fold it again (y-axis) when second cut. 9 times 13 equals 117. 9 times 13 equals 117 square inches. You'll get square cheesecake bites. (12) 6 lb. Repeat the process, cutting 1 1/2 to 2 in. Then, using your knife, carefully drag it along the length of the cake. As long as your knife has enough length to reach across the entire length of the cake, lay it down along its entire length before pressing the entire blade down into the cake and dragging it out. Nine by nine equals 81 square inches. Pull the knife out from the side of the cake, rather than lifting it through the top, for a smooth cut. Continue this pattern until entire cake is cut. This easy-to-make peanut butter-flavored cake feeds a crowd and uses mostly pantry staples. There are a plethora of other conceivable combinations.Wedding & Custom Specialty Cakes are our specialty.Because we assess the yield on OUR cakes to feed 5 people to the pound (3.2 oz.each slice), if you have 100 guests, we propose a cake that weighs 20 lb. An 8-inch square has a surface area of 64 square inches because 8 x 8 = 64; a 9-by-13-inch pan has a surface area of 117 square inches because 9 x 13 = 117; and so on. x 1-3/4 in. Advertisement. A 913 pan is a versatile size for baked goods. In 2019, Maria competed in the 6th season of the Food Networks Holiday Baking Championship. Line up your floss with the first vertical score line on your board and press your floss down evenly until it touches the boards surface. It will consist of two layers of cake that I will cut in half to create four thin layers that will be sandwiched together with a thin layer of filling. Making a layer cake of any sort is very crucial, so make sure to plan ahead of time. This will soften the flesh and make it easier to cut. This article has been viewed 50,031 times. Print off pictures or use real objects as guides whenever possible. If your cake came with or was decorated on a cake board, do not remove the board. The spoon portion of a tablespoon measures around 2 14 inches in length. from edge. 50. We use cookies to make wikiHow great. If you want to make your slices bigger than 2 inches, it follows basically the same pattern but you will get less portions. 2 Determine the serving size based on the number of individuals that will be in attendance. Work from the outer edge of your cake, pressing the knife in gently until the tip hits the board. If you have any tips, please share them in the comments below or on Instagram with the hashtag #wiltoncakes! In addition to the cake, there will be handmade ice cream and caramels to accompany the celebration. Then, when youre ready to cut, choose a long, thin knife. Normally, a quarter sheet cake will serve anywhere between 30 and 50 people. If your cake did not arrive with a cake board, you will need to transfer it to a bigger cutting board or cake stand before you can serve it. Then, just take your knife, slice, and serve. The number of servings depends on two things: the size of the cake itself and the size of the servings. The surface area of an 88 pan, on the other hand, is 64 square inches, which is over half the surface area of a 913 pan. For optimal results, refrigerate the layers before trimming them. A half sheet cake will yield 108, 54, or 36 servings. Using a flat spatula or butter knife, score the top of your cake before cutting it into pieces. For a 139 pan: Start on the shorter side facing toward you. Measure to the middle point and cut away from you. It is the most conventional method of leveling cakes, which involves the use of a serrated knife and a rotating cake stand, also known as a turn table. After that, in order to maximize the number of slices, each line cut that you make should intersect each other line cut previously made. Place one hand on top of the cake to steady it and with the other hand, using a long serrated knife, begin slicing through the cake with a gentle sawing motion, following the line you scored into the cake, to form two even layers. Turn the pan longways. The following parameters for the quantity and amount of bars that a recipe will yield are only estimates based on the ingredients used. If you are having trouble cutting straight lines . Cut three long rows into your bars (thats three 3-inch rows). 4 Before cutting your cake, score it to serve as a guide for cutting. Obviously, a quarter sheet cake with more depth will be able to serve more people. You may anticipate to acquire between 12 and 20 pieces from a single cake of this size, which makes it ideal for gatherings and celebrations. Include your email address so that you may be notified when this question has been resolved. I tell the client, You can get 35-45 pieces, depending on how you cut it. % of people told us that this article helped them. When it comes to homemade cake recipes, the most frequent shape is a huge rectangle. If possible, wait until the cakes have completely cooled before trimming them. Method 2: Use special long cookie cutters meant for a cake to cut the cheesecake into many shapes like circles, squares, rectangles, and hearts. When compared to a 9-inch round cake, cupcakes typically take roughly half the time to bake. 3. After spending hours making a beautiful layer cake, you want the final presentation to be impressive . This is a perfect size for parties, and you can expect to get between 12 and 20 slices from a single cake. Repeat on the other side of the middle cut. To cut a sheet cake, begin by scoring the surface with a spatula or butter knife to create a guideline for cutting. This is a perfect size for parties, and you can expect to get between 12 and 20 slices from a single cake. 1Use dental floss that has no taste. The first 3 cuts are (not always through the centre): 1 $\frac{4}{9} \frac{5}{9} $ Wrap the ends of the floss around the index and middle fingers of your hands. These are pretty large slices of cake! Article to be downloaded article to be downloaded A sheet cake may be sliced in almost any way you choose, depending on your preferences.Getting correctly proportioned sheet cake pieces, on the other hand, is a another issue.It takes a little planning ahead of time to cut a sheet cake into clean, equal pieces.Youll need to know the size of the cake as well as the number of individuals that will be attending the party.You may even draw a guide on the top of the cake to assist you in cutting the cake evenly.Then all you have to do is take your knife and slice it up and serve it. Then, pour and spread the mixture evenly in the pan. How to Cut Bars into Perfectly-Sized and Clean Pieces Prepare the cutting knife by sharpening it.When cutting bar cookies or brownies, a big chefs knife is recommended.Remove the edges using a knife.Make a note of the intervals.Make the necessary cutbacks.Cookies that have been allowed to cool make for easier cutting. As an example, the area of an 8-inch square is 64 square inches because 8 x 8 = 64; the area of a 913-inch pan is 117 square inches because 913 = 117; and the area of a 9-inch square is 32 square inches because 32 x 32 = 32. A 9-inch square baking pan will result in somewhat bigger bars than those prepared in a round baking pan. In the following step, slide your ruler to the breadth side of your cake and draw markings at intervals of 1 in (2.5 cm), 2 in (5.1 cm), or 3 in (7.6 cm), depending on the serving size you choose. Cut away from you until you reach the midpoint of your measurement, Find the midway point between the edge and the center cut, then cut all the way down to the bottom of the piece of fabric. 8 x 8 equals 64 square inches in size. If youre trying to prepare a snack cake recipe thats designed for a 9-inch square pan in a 13-inch square pan, divide the area of the large 13-inch guy (117) by the area of the smaller 9-inch guy (117) and double the results (81). Starting about 2 inches from the outer edge of your cake, cut a round circle. How to cut a 9-inch-by-13-inch cake into 16 squares demonstrate how to cut a 9-inch-by-13-inch cake into 36 pieces demonstrate how to cut a 9-inch-round cake into 24 pieces demonstrate how to cut a 9-inch-round cake into 20 pieces demonstrate how to cut a 9-inch-round cake into 15 pieces demonstrate how many servings can be made from a 913 sheet cake how to make bars in a 9 x 13 baking pan how to cut a 9-inch-by-13-inch pan into triangles More articles in the FAQs category may be found here. Cutting the quarter sheet cake into small pieces will serve more people. This implies that you may easily reduce the size of a dish from a 913 pan to an 88 pan by half the original recipe. It's baked in a standard 9-by-13-inch cake pan. Two 9" rounds to a 9" x 13" pan: Increase the bake time by 30% to 40%. Starting around 15 minutes before the time specified in the original recipe is a good idea just to be cautious!
how to cut a 9x13 cake into 24 pieces