butter a 9x13 inch baking dish and set aside

butter a 3 quart saucepan

place buttered saucepan over medium heat, and combine sugar, evaporated milk and 1 cup butter within

heat to between 234° and 240° or until a small amount of syrup dropped in COLD water forms a soft ball that flattens when removed from the water and placced on a flat surface

remove from heat and stir in peanut butterand marshmellow creme

beat vigorously until smooth

pour QUICKLY into prepared baking dish

let cool COMPLETELY before cutting into squares