01 -
In a large mixing bowl, thoroughly combine melted butter, graham cracker crumbs, powdered sugar, and 1 cup creamy peanut butter until smooth and cohesive.
02 -
Line a 9x13-inch (23x33 cm) baking dish with parchment paper. Evenly press the peanut butter mixture into the bottom, creating a flat, uniform layer.
03 -
In a microwave-safe bowl, mix chocolate chips with 1/4 cup creamy peanut butter. Microwave in 20-second intervals, stirring after each burst, until completely smooth.
04 -
Pour the melted chocolate mixture over the base and spread evenly. Refrigerate for 1 to 2 hours, or until fully set and firm.
05 -
Lift the set confection from the pan using the parchment. Slice into bars and serve.