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
Red velvet cake of shortening, butter, and vegetable oil. All used red food coloring. The reaction of acidic vinegar and buttermilk tends to better reveal the red anthocyanin in cocoa and keeps the cake moist, light, and fluffy. This natural tinting may have been the source for the name "red velvet", as well as "Devil's food" and similar names for chocolate cakes. Contemporarily, chocolate has often undergone Dutch processing, which prevents the color change of the anthocyanins. A reconstruction of the original red velvet cake involves reducing or eliminating the vinegar and colorants, and using a non-Dutched cocoa to provide the needed acidity