Tags: Food.
A sheet cake is a cake baked in a large flat rectangular pan such as a sheet pan or a jelly roll pan. These single-layer cakes are almost always frosted with decorations and ornamental frosting along the borders and the flat top surface. In the United States these inexpensive cakes are commonly available in supermarkets and bakeries.Sheet cakes may be made in any flavor with chocolate and vanilla being the two most common.