Lemon Filled Cake - cooking recipe

Ingredients

2 sticks butter
2 c. sugar
1 c. milk
3 c. cake flour
3 tsp. baking powder
1/4 tsp. salt
6 egg whites, beaten

Preparation

Cream butter and sugar.
Sift together flour, baking powder and salt.
Add this alternately with 1 cup milk.
Fold in 6 beaten egg whites.
Pour batter into 3 (9-inch) cake pans that have been greased and floured.
Bake at 350\u00b0 until done.