Chocolate Pie
["1 1/2 c. sugar", "4 Tbsp. flour", "1/2 c. chocolate", "3 c. milk", "1 Tbsp. butter", "4 egg yolks, beaten"]
["Mix sugar, flour and chocolate.", "Stir in milk, butter and egg yolks.", "Stir over medium heat until thickened.", "Pour into baked pie shell.", "Make meringue of 4 egg whites and sugar.", "Brown in oven."]
["sugar", "flour", "chocolate", "milk", "butter", "egg yolks"]