Lemon Cake Top Pie
["1 c. sugar", "3 scant Tbsp. flour", "pinch of salt", "juice of 1 lemon", "2 egg yolks", "1 c. milk", "2 egg whites"]
["Combine the sugar, flour and pinch of salt.", "Beat together lemon juice, egg yolks and milk.", "Add to the first part and beat. Beat egg whites; add to the mixture.", "Pour into unbaked crust. Bake for 30 minutes in moderate oven."]
["sugar", "flour", "salt", "lemon", "egg yolks", "milk", "egg whites"]