Chocolate Fudge Pie
["1/2 c. cocoa", "1 1/2 c. sugar", "4 Tbsp. flour (plain) or cornstarch", "1/4 tsp. salt", "3 egg yolks", "1 tsp. vanilla", "2 c. milk", "1 large patty butter", "9-inch pie crust, baked"]
["Mix dry ingredients well.", "Add milk, then egg yolks.", "Mix well.", "Cook over medium-low heat, stirring constantly with a whisk.", "Cook until thick and an indentation is left when a spoon is stirred through it.", "Add vanilla and butter.", "Pour into baked 9-inch crust and cover with meringue.", "Brown meringue in preheated 425\u00b0 oven.", "Cool to room temperature before serving.", "Keep refrigerated."]
["cocoa", "sugar", "flour", "salt", "egg yolks", "vanilla", "milk", "patty butter", "pie crust"]