01 -
Cover an 8-inch square pan with foil, spread butter on it lightly.
02 -
Mix sugar and milk, then boil for about 3 minutes while stirring all the time.
03 -
Take off the heat and stir in marshmallow crème and peanut butter till smooth.
04 -
Pour into the pan, let it cool a bit, then chill in the fridge until it's set.