Spray a 9×13 pan with cooking spray.
Bake Brownies as directed on field and let to totally cool.
Unfold Jet-Puffed Mallow Crème.
Place Chocolate chips and peanut butter in a medium-sized microwave bowl and microwave till effectively blended stopping at 1-minute intervals.
As soon as melted stir in Rice Krispies and unfold evenly over mallow crème.
Cowl and chill for 2 hours earlier than reducing into squares
Yields 24-36 bars relying on how massive you want your squares
