1 lb. brown sugar
2 c. granulated sugar
3/4 c. milk
12 oz. peanut butter
13 oz. marshmallow fluff
1 c. nuts

Mix first 3 ingredients and bring to full boil. Boil hard for 1 to 1 1/4 minutes. Add peanut butter and marshmallow fluff; stir until mixed, then beat until it starts to stiffen. Add nuts.

Pour into greased 9 x 13 pan.