3 c. sugar
2/3 c. milk
1 tbsp. butter
1 tsp. vanilla
3 heaping tbsp. peanut butter
3 heaping tbsp. marshmallow fluff

Boil sugar, butter and milk until it forms a soft ball in cold water. Remove from heat and add peanut butter, fluff and vanilla.

Beat with spoon until very thick and just starts to set. Pour into greased square cake pan. Grease pan with butter before starting to cook fudge.