Pound Cake
["1/2 lb. butter", "1 1/2 c. sugar", "3 beaten egg yolks", "2 1/2 c. flour", "2 1/2 tsp. baking powder", "pinch of salt", "1 c. milk", "vanilla or lemon to flavor", "3 egg whites, beaten stiff"]
["Cream butter and sugar until light.", "Beat in egg yolks.", "Sift together dry ingredients and add to butter, sugar, egg mixture alternately with the milk and flavoring.", "Beat well.", "Carefully fold in egg whites.", "Bake in a tube pan or", "in 2 loaf pans.", "Pans should be greased and floured.", "Bake in a 375\u00b0 oven until done."]
["butter", "sugar", "egg yolks", "flour", "baking powder", "salt", "milk", "vanilla", "egg whites"]