White Wedding Cake
["6 c. flour, sifted", "2 tsp. baking powder", "3 c. sugar", "2 c. milk", "2 c. butter", "1 1/2 tsp. vanilla extract", "12 egg whites"]
["Sift flour and baking powder; set aside.", "Cream butter and sugar together until light and fluffy; set aside.", "Beat egg whites until stiff but not dry; set aside.", "While mixing at low speed, add flour mixture to butter mixture.", "Add milk, a little at a time.", "Beating well, add vanilla and egg whites into batter; mix well.", "Bake at 325\u00b0 for 1 hour and 10 minutes."]
["flour", "baking powder", "sugar", "milk", "butter", "vanilla extract", "egg whites"]