Hot Fudge Sauce
["1 c. sugar", "1/4 c. cocoa", "1/4 c. flour", "1 1/4 c. milk", "2 tsp. vanilla", "2 Tbsp. margarine (optional)"]
["Mix dry ingredients; add milk.", "Cook and stir.", "Add vanilla and margarine.", "Heat in microwave.", "Keep in refrigerator."]
["sugar", "cocoa", "flour", "milk", "vanilla", "margarine"]