This recipe for Devil's Food Cake is from "Old Time Recipes To Enjoy". "The Kentucky Explorer. Devil's Food Cake One half cup of butter, two cups of sugar, one cup of milk, two and one half cups of flour, four teaspoonfuls of baking powder, two squares of bitter chocolate, and one teaspoonful of vanilla. Cream butter and sugar, add yolks of eggs that are beaten thick, and baking powder sifted together. Stir in flavoring last and bake 45 to 55 minutes. This is always a favorite cake for me.