2 c. sugar
3/4 c. milk (not evaporated)
1 lb. box light brown sugar
1 (12 oz.) jar peanut butter
1 (7 1/2 oz.) jar marshmallow fluff

Mix white sugar and light brown sugar with milk. Heat and bring to a boil for 1 1/2 minutes (time from start of boiling point). Remove from heat and quickly mix peanut butter and fluff in, beat until smooth. Let set and cut to desired pieces before complete hardening. Delicious!