Banana Cake
["2 c. flour", "1 2/3 c. sugar", "1 1/4 tsp. soda", "3/4 tsp. baking powder", "2/3 c. shortening", "2/3 c. buttermilk", "3 eggs, separated (use yolks)", "1 1/4 c. mashed bananas"]
["Cream shortening and sugar; add egg yolks.", "Mix well; add bananas and buttermilk.", "Add dry ingredients.", "Beat egg whites until very light.", "Fold in batter.", "Bake at 350\u00b0 for 30 minutes."]
["flour", "sugar", "soda", "baking powder", "shortening", "buttermilk", "eggs", "bananas"]