Lemon Sponge Pie
["2 eggs", "2 Tbsp. soft butter", "1 c. sugar", "2 Tbsp. flour", "1 lemon rind", "juice of 1 lemon", "1 c. milk", "2 egg whites"]
["Cream the eggs together with the soft butter and 1 cup sugar. Add the flour, lemon rind, lemon juice and milk.", "Beat the egg whites together until stiff; fold in last.", "Pour into unbaked pie crust.", "Bake for 10 minutes at 400\u00b0, then for 25 minutes at 350\u00b0."]
["eggs", "butter", "sugar", "flour", "lemon rind", "lemon", "milk", "egg whites"]