2 c. sugar
1/2 c. milk
1 stick butter
1 1/3 c. peanut butter
7 oz. jar marshmallow cream
1 tsp. vanilla

In a heavy saucepan, combine the sugar, milk, and butter; cook on medium-high heat until mixture comes to full boil. Boil for 3 minutes. Remove from heat and stir in the remaining ingredients. Mix until smooth and pour into 9 inch square buttered pan. Refrigerate until set.