Three Layer Cake
["1 stick butter", "2 c. sugar", "2 c. plain flour", "1 tsp. soda", "1 c. buttermilk", "1/2 c. oil", "5 egg yolks", "1 tsp. vanilla flavoring", "5 hard beaten egg whites"]
["Thoroughly mix all ingredients except egg whites.", "Fold in egg whites.", "Pour batter equally into 3 greased and floured cake pans. Bake at 350\u00b0 for 25 minutes.", "Use your favorite icing to cover these layers."]
["butter", "sugar", "flour", "soda", "buttermilk", "oil", "egg yolks", "vanilla flavoring", "egg whites"]