Using a dish towel or a paper towel, wipe off the blade of your knife in between each cutting motion. For a 13-by-nine-inch pan, begin on the shorter side facing you and work your way up.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.Make a second incision on either side of the main cut.Turn the pan in a clockwise direction.Make a second incision on either side of the main cut. Making a layer cake of any sort is very crucial, so make sure to plan ahead of time. It will make 54, 24, or 18 servings from a quarter sheet cake, 108, 54, or 36 servings from a half sheet cake. 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. Allow the brownies to cool completely in their pan. This Baking Chart Helps You Convert Between Pan Sizes Your views on baking pan sizes that are not standard For cake and bar recipes, an 8 square pan and a 9 round pan can be used interchangeably, depending on the recipe. Often, you may receive more portions per cake than the number of serves shown above. You just want to make a slight indent in the top of your cake or your frosting to give you a guide when you cut. As a result, the sides of the cake rise and set rapidly, while the center of the cake, which bakes more slowly, continues to rise, frequently rising well above the edges, resulting in the dome. 10 x 5 1-1/2 x 2 in. doing the math is easy on a rectangle cake. Then, simply put your slice onto a serving platter and cut it into slices to serve.