Chocolate Pie
["1 1/4 c. sugar", "1/4 c. flour", "3 eggs (yellows only)", "1 1/4 c. milk", "1 tsp. vanilla", "3 Tbsp. cocoa"]
["Cook in double boiler until thick, then pour into baked pie shell.", "Graham cracker crust is delicious with this pie."]
["sugar", "flour", "eggs", "milk", "vanilla", "cocoa"]