Old Fashioned Chocolate Pie
["1 1/4 c. sugar", "2 1/2 c. cold milk", "4 Tbsp. flour", "2 Tbsp. butter", "1 baked (10-inch) pie shell or 2 (8-inch) shells", "6 Tbsp. cocoa", "4 eggs, separated", "1/2 tsp. salt", "2 tsp. vanilla"]
["Mix sugar and cocoa well.", "Add 2 cups milk and heat.", "In a bowl mix egg yolks, flour, salt and 1/2 cup milk.", "Beat egg mixture until smooth and add to hot mixture.", "Cook, stirring until thickened.", "Remove from heat and add vanilla and butter.", "Pour into baked pie shell(s).", "Beat egg whites, add 8 tablespoons of sugar and spread on top of pie.", "Brown in a moderate oven."]
["sugar", "cold milk", "flour", "butter", "shell", "cocoa", "eggs", "salt", "vanilla"]