Chocolate Pie
["1 c. sugar", "2 Tbsp. cocoa", "2 Tbsp. cornstarch or flour", "3 egg yolks", "1 1/2 c. milk", "2 Tbsp. butter", "1 tsp. vanilla"]
["Mix sugar, cocoa and cornstarch.", "Add egg yolks, beating thoroughly.", "Add milk, gradually, while mixing.", "Cook mixture in a double boiler until it thickens, stirring constantly.", "Add butter and vanilla.", "Pour into a baked pie shell.", "Top with meringue. Bake at 325\u00b0 for 8 to 10 minutes."]
["sugar", "cocoa", "cornstarch", "egg yolks", "milk", "butter", "vanilla"]