Shirley'S Peanut Butter Fudge
["2 c. sugar", "2/3 c. milk", "1 c. peanut butter", "1 c. marshmallow fluff", "1 tsp. vanilla", "1/2 c. walnuts (optional)"]
["Put sugar and milk into a saucepan and boil to 234 degrees, using a good candy thermometer.", "Take from stove and quickly add other ingredients.", "Pour into lightly buttered 9 1/2 x 5 1/2 - inch pan.", "When cool, cut in squares."]
["sugar", "milk", "peanut butter", "marshmallow fluff", "vanilla", "walnuts"]