Chocolate Pie
["1/2 c. flour", "1 c. sugar", "1/4 tsp. salt", "1 c. milk", "2 Tbsp. oleo", "2 egg yolks, well beaten", "3 Tbsp. cocoa"]
["Mix altogether, stirring constantly while cooking.", "Pour into baked pastry shell.", "Top with egg whites well beaten and cook slowly for 15 minutes in moderate oven at 325\u00b0."]
["flour", "sugar", "salt", "milk", "oleo", "egg yolks", "cocoa"]