Lemon Sponge Pie
["1 recipe for single crust pie", "2 egg yolks", "1 c. sugar", "1/4 c. lemon juice", "2 Tbsp. flour", "1 Tbsp. margarine or butter, melted", "1/8 tsp. salt", "1 c. milk", "2 egg whites", "whipped cream for garnish"]
["Prepare your favorite single crust pie shell, baking for 5 minutes in a 450\u00b0 oven. Remove double thickness foil bottom lining and bake for 5 minutes more.", "Lower temperature to 350\u00b0.", "In a large bowl, beat egg yolks slightly with fork. Stir in next 5 ingredients.", "Gradually stir in milk.", "In a small bowl, beat egg whites until stiff peaks form.", "Fold whites into yolk mixture. Pour into partially baked pastry. Bake at 350\u00b0 for 30 minutes or until knife inserted in center comes out clean."]
["crust", "egg yolks", "sugar", "lemon juice", "flour", "margarine", "salt", "milk", "egg whites", "whipped cream"]