Chocolate Pie
["1 c. sugar", "2 1/2 Tbsp. plain flour", "2 Tbsp. cocoa", "pinch of salt", "3 eggs, separated", "1 1/2 c. cold milk", "1/2 stick margarine", "1 tsp. vanilla", "1 baked pastry shell", "1/3 c. sugar"]
["Mix together sugar, flour, cocoa and salt.", "Stir together egg yolks, milk and butter.", "Add to dry ingredients.", "Cook over medium heat until thick.", "Stir in vanilla.", "Pour into pie shell. Beat the egg whites until thick, add 1/3 cup sugar and continue to beat until smooth.", "Place on top of pie filling and brown in 325\u00b0 oven until golden brown."]
["sugar", "flour", "cocoa", "salt", "eggs", "cold milk", "margarine", "vanilla", "pastry shell", "sugar"]