4 c. sugar
1 c. milk
1 tbsp. white Karo syrup
1 tbsp. vinegar
1 (7 oz.) jar marshmallow creme
1 (18 oz.) jar peanut butter

Combine sugar, milk, Karo and vinegar. Cook to boil. Boil for 3 minutes. Add marshmallow creme and peanut butter. Beat with mixer 3 to 4 minutes. Pour in buttered 9"x13" pan. Let cool and cut into squares.