Grandma'S Chocolate Pie
["1 c. sugar", "2 egg yolks (save whites)", "2 heaping Tbsp. flour", "2 heaping Tbsp. cocoa", "1 c. milk", "1 tsp. vanilla", "1/4 c. margarine"]
["Beat yolks and milk.", "Add to dry ingredients.", "Beat lumps out. Cook until thick.", "Cool.", "Put in already cooked/cooled pie shells. Beat egg whites and spread on top. Brown in oven."]
["sugar", "egg yolks", "flour", "cocoa", "milk", "vanilla", "margarine"]