The cupcake entered this world in a very practical manner: the ingredients used to make them were all measured by the cup, and the recipes were considered to be "a piece of cake." Smartness aside, many also think they were aptly named because they were baked in cup-size molds or papers. Regardless, these bites of sweet cakes are a national favorite. The kit contains: A 64 page recipe book A frosting bag Two icing nozzles Decorating stencils Baking cups.