01 -
Chop the peanut butter cups into small, even pieces.
02 -
In a large saucepan, combine 1/4 cup salted butter and 1 cup creamy peanut butter over medium-low heat; stir continuously until fully melted and smooth.
03 -
Add 4 cups mini marshmallows to the saucepan; continue stirring until marshmallows are completely melted, then remove the pan from heat.
04 -
Stir in 6 cups Cap'n Crunch cereal; mix thoroughly until all pieces are coated with the marshmallow mixture.
05 -
Fold the chopped Reese’s Peanut Butter Cups into the mixture, stirring until the pieces start to melt into the base.
06 -
Transfer the mixture into a greased 9 x 13 inch pan; press it evenly with a spatula to create a uniform layer.
07 -
Place 1 1/2 tablespoons salted butter in a microwavable bowl and microwave on high for 30 seconds or until melted. Add 1/4 cup creamy peanut butter and stir until fully combined and smooth.
08 -
Drizzle half of the peanut butter topping mixture over the cereal bars. Sprinkle 1/3 cup mini Reese's Pieces over the top, then drizzle with the remaining peanut butter mixture for even coverage.
09 -
Place the pan in the refrigerator to chill for at least 1 hour until firm. Slice into bars for serving.