Lady Baltimore Cake
["3 c. sifted cake flour", "1 1/2 Tbsp. baking powder", "1 tsp. salt", "1 c. butter", "1 1/2 tsp. vanilla extract", "1 1/2 c. sugar", "1 c. milk", "6 egg whites"]
["Grease and line", "(with wax paper) bottoms only of three 8-inch round layer cake pans.", "Set aside."]
["cake flour", "baking powder", "salt", "butter", "vanilla extract", "sugar", "milk", "egg whites"]