Chocolate Pie
["3 egg yolks", "1 c. sugar", "1 1/2 c. milk", "1 tsp. vanilla", "2 Tbsp. flour or cornstarch", "4 Tbsp. cocoa", "crust, baked", "3 egg whites"]
["Mix the first 6 ingredients; cook in double boiler until thick.", "Pour into crust that has been baked.", "Beat egg whites and put on top, then brown."]
["egg yolks", "sugar", "milk", "vanilla", "flour", "cocoa", "crust", "egg whites"]