Lane Cake
["3 1/4 c. sifted all-purpose flour", "3 1/2 tsp. baking powder", "1/2 tsp. salt", "1 c. milk", "1 c. butter or margarine", "2 c. granulated sugar", "1 tsp. vanilla extract", "8 egg whites"]
["Preheat oven to 375\u00b0.", "Grease and then line with wax paper the bottoms of 4 (1 1/2-inch deep) 9-inch layer pans."]
["flour", "baking powder", "salt", "milk", "butter", "sugar", "vanilla extract", "egg whites"]