TopicFull sheet cake box dimensions.
PostedWed, Sep 04th 2019 22:18 PM
For a shortcut, remember that a 9-inch round cake pan holds about 6 cups (if the batter is 1 1/2 inches deep). A 13-by-9-inch pan holds 12 cups. And a standard cupcake pan, with 1/2 cup batter in each of six cups, holds 3 cups. So a two-layer cake batter should convert easily to 12 cupcakes or a sheet cake.
Before baking a half sheet cake, butter and flour the cake pans, and add a layer of parchment paper to the bottom of each pan. This makes it easier to remove the cakes without them breaking once they have cooled. Never attempt to take a warm cake out of the pan. To assemble a half sheet cake from two smaller cakes, place the cakes side by side, with the long sides touching, on a cake board.