Chocolate Cake
["3 eggs, separated", "1 1/2 c. sugar", "1 2/3 c. self-rising flour", "1 c. buttermilk", "1/3 c. oil", "1 tsp. vanilla", "1/2 tsp. soda"]
["Mix dry ingredients.", "Add oil, egg yolks, milk and vanilla. Add stiffly beaten egg whites last.", "Cook at 350\u00b0 to 375\u00b0 until done."]
["eggs", "sugar", "flour", "buttermilk", "oil", "vanilla", "soda"]