Chocolate Pie
["2 c. sugar", "3 Tbsp. flour", "3 Tbsp. cocoa", "2 3/4 c. milk", "4 eggs, separated", "2 Tbsp. butter", "1 Tbsp. vanilla", "4 Tbsp. sugar"]
["Mix the ingredients thoroughly, except for the egg whites and 4 tablespoons sugar; cook at medium heat until it thickens.", "Cool and pour into baked pie shell."]
["sugar", "flour", "cocoa", "milk", "eggs", "butter", "vanilla", "sugar"]