Chocolate Pie
["1 c. sugar", "6 Tbsp. flour", "3 Tbsp. cocoa", "2 egg yolks", "1 c. evaporated milk", "1 tsp. vanilla", "3 tsp. butter"]
["Mix sugar, flour and cocoa.", "Melt butter and mix milk, eggs and vanilla.", "Bake in pie shell at 325\u00b0 for 30 to 45 minutes or until thick, use knife to test.", "Beat egg with 1/4 cup sugar for topping."]
["sugar", "flour", "cocoa", "egg yolks", "milk", "vanilla", "butter"]