Chocolate Pie
["3 c. milk", "3 heaping Tbsp. cocoa", "1/3 c. cornstarch", "1 3/4 c. sugar", "4 egg yolks", "1/2 stick butter", "2 tsp. vanilla"]
["Cook over medium heat until thick.", "Pour into baked pie crust and add meringue."]
["milk", "cocoa", "cornstarch", "sugar", "egg yolks", "butter", "vanilla"]