Lemon Sponge Cake - cooking recipe

Ingredients

1/4 c. melted butter
1 c. sugar
3 Tbsp. flour
3 slightly beaten egg yolks
juice of 1 lemon
3 stiffly beaten egg whites
1 (9-inch) pie crust

Preparation

Blend butter with sugar and flour; add egg yolks, lemon juice and peel and milk.
Fold in egg whites.
Pour into 9-inch pastry-lined pie pan.
Bake in hot oven (450\u00b0) for 8 minutes, then in moderate oven (325\u00b0) for 25 minutes.
Like my mother used to bake.