Peanut Butter Fudge
["3 c. sugar", "3/4 c. butter or 1 1/2 sticks", "2/3 c. milk", "1 (12 oz.) bag peanut butter chips or chocolate chips", "1 (7 oz.) jar Marshmallow Fluff", "1 c. crushed walnuts", "1 tsp. vanilla"]
["Cook first 3 ingredients and stir constantly over medium heat in 9 x 13-inch pan.", "Bring to boil and cook for 5 minutes while stirring.", "Then add remaining ingredients."]
["sugar", "butter", "milk", "peanut butter", "walnuts", "vanilla"]