Chocolate Pie
["2 Tbsp. cocoa", "2 Tbsp. cornstarch", "1 c. sugar", "2 egg yolks", "2 c. milk", "1 tsp vanilla", "1 tsp. butter or oleo", "1 baked pie shell, cooled"]
["Mix cocoa, cornstarch, sugar, egg yolks and milk and cook until thick.", "Remove from heat and add vanilla, and butter; stir and pour into a baked pie shell."]
["cocoa", "cornstarch", "sugar", "egg yolks", "milk", "vanilla", "butter", "pie shell"]