Chocolate Pie
["2/3 c. sugar", "1 1/2 Tbsp. baking cocoa", "2 Tbsp. flour", "1 1/2 c. milk", "3 egg yolks", "1 1/2 Tbsp. butter", "1 baked 9-inch pie shell", "1 recipe meringue"]
["Combine sugar, cocoa and flour in saucepan.", "Add milk and egg yolks; mix well.", "Cook over medium heat until thickened, stirring constantly.", "Add butter; mix well.", "Pour into pie shell.", "Spread meringue over filling, sealing to edge.", "Bake at 350\u00b0 until light brown."]
["sugar", "baking cocoa", "flour", "milk", "egg yolks", "butter", "shell", "recipe meringue"]