Aunt Kathey'S Fudge
["3 c. sugar", "3/4 c. milk", "1/2 stick margarine", "1/2 large jar Fluff", "2 c. peanut butter"]
["Note:", "If you want chocolate peanut butter, add 4 tablespoons of cocoa."]
["sugar", "milk", "margarine", "peanut butter"]