Lemon Sponge Pie - cooking recipe

Ingredients

1 c. sugar
3 eggs, separated
juice and rind of 1 lemon
1/2 tsp. salt
2 Tbsp. flour
1 1/2 c. milk, heated
2 Tbsp. butter
1 (9-inch) pie crust

Preparation

Cream butter and sugar.
Add egg yolks; beat well.
Add milk, flour, salt, lemon juice and grated rind.
Fold in stiffly beaten egg whites.
Bake at 375\u00b0 until set, about 35 minutes.