Chocolate Meringue Pie
["3/4 c. sugar", "3 heaping Tbsp. flour", "2 c. milk", "5 Tbsp. cocoa", "1/2 tsp. salt", "3 eggs, separated", "3 egg yolks", "1 tsp. vanilla", "9-inch cooked pie shell"]
["Boil first 6 ingredients in double boiler until thick.", "Add egg yolks.", "Cook until thick; add vanilla.", "Pour in cooked 9-inch pie shell.", "Cover with meringue, using 3 egg whites.", "Bake in 325\u00b0 oven until meringue is slightly browned."]
["sugar", "flour", "milk", "cocoa", "salt", "eggs", "egg yolks", "vanilla", "shell"]