Banana Layer Cake
["1/2 c. butter", "1 1/2 c. sugar", "2 eggs, separated", "1 tsp. baking soda", "1/4 c. plus 1 Tbsp. buttermilk", "2 c. all-purpose flour", "3 large ripe bananas", "1 c. chopped pecans"]
["Cream the butter and sugar, beating well.", "Add egg yolks, one at a time.", "Dissolve soda in buttermilk.", "Add, alternating with flour.", "Beat egg whites; fold in.", "Bake in greased and floured pans at 350\u00b0 for 30 minutes."]
["butter", "sugar", "eggs", "baking soda", "buttermilk", "flour", "bananas", "pecans"]