Angel food cake Angel food cake Angel food cake, or angel cake, is a type of sponge cake made with egg whites, flour, and sugar. A whipping agent, such as cream of tartar, is commonly added. It differs from other cakes because it uses no butter. Its structure comes from whipped egg whites known as a protein foam. Angel food cake originated in the United States and first became popular in the late 19th century. It gained its unique reputation along with its name due to its light and fluffy texture, said to resemble the "food of the angels". Angel food cake requires
Butter cake the possibility of creating lighter, fluffier cakes using these traditional combinations of ingredients, and it is this transformation that brought about the modern butter cake. Butter cakes are traditionally made using a creaming method, in which the butter and sugar are first beaten until fluffy to incorporate air into the butter. Eggs are then added gradually, creating an emulsion, followed by alternating portions of wet and dry ingredients. Butter cakes are typically rich and moist when stored at room temperature, but they tend to stiffen, dry out, and lose flavor when refrigerated, making them unsuitable for filling or frosting in