-
Line an 8×8 or 9×9 inch square pan with parchment paper or aluminum foil and spray lightly with non-stick cooking spray. Leave an overhang around the edges.
-
In a large microwave safe bowl add the peanut butter, butter and chocolate chips.
-
Microwave for 45-second intervals on medium power, stirring between each interval until everything is melted.
-
Stir until the mixture is evenly mixed together and allow to cool slightly for 5 minutes.
-
Stir in the Rice Krispies and marshmallows.
-
Pour the mixture into the prepared pan, spread into the corners of the pan.
-
Chill in the fridge for 3 hours or until set.
-
Lift the bars out of the pan using the overhang from the parchment paper or aluminum foil. Cut into squares and serve.
