Chocolate Pie
["1 c. sugar", "2 heaping Tbsp. flour", "2 heaping Tbsp. cocoa", "3 egg yolks, beaten", "1 1/3 c. milk", "1 tsp. vanilla"]
["Mix all dry ingredients together. Add beaten egg yolks, then add milk gradually. Place over medium heat; stir constantly until mixture thickens. Remove from heat, then add vanilla. Stir well. Place into baked pie shell."]
["sugar", "flour", "cocoa", "egg yolks", "milk", "vanilla"]