Southern Chess Pie
["1 c. brown sugar", "1 c. milk", "1 egg, separated", "1 Tbsp. butter", "1 tsp. vanilla extract", "1 Tbsp. cornstarch"]
["Add cornstarch to sugar and mix well.", "Add softened butter and egg yolk.", "Cream well.", "Add milk and blend; beat egg whites until frothy and add to mixture along with vanilla.", "Stir.", "Pour into unbaked pastry shell.", "Bake at 375\u00b0 until knife inserted in pie comes out clean."]
["brown sugar", "milk", "egg", "butter", "vanilla extract", "cornstarch"]