Chocolate Pie
["1 c. sugar", "2 heaping Tbsp. cocoa", "4 heaping Tbsp. flour", "2 Tbsp. butter", "2 egg yolks", "2 c. milk", "1 tsp. vanilla", "1 baked pie shell"]
["Bake pie shell.", "Combine all dry ingredients; add milk, egg yolks, vanilla and butter.", "Cook over medium heat until thick. Pour in baked pie shell.", "Chill 4 hours."]
["sugar", "cocoa", "flour", "butter", "egg yolks", "milk", "vanilla", "shell"]