You will go nuts over these Rice Krispies Treats. The combination of chocolate and peanut butter is just so yummy, you will never want to make just plain Rice Krispies Treats again.
6 c. Rice Krispies cereal, divided
3 T. unsalted butter
1/2 c. creamy peanut butter
10 oz. package marshmallows
10 oz. package Reese's Mini Pieces
16 oz. can milk chocolate frosting
20 miniature Reese's Peanut Butter Cups, coarsely chopped
Butter a 9 X 13 inch baking dish.
In a large saucepan, melt butter over low heat; add marshmallows; stir until melted. Mix in the peanut butter until thoroughly combined. Add half of the Rice Krispies and all of the Reese's Mini Pieces; stir; add remaining Rice Krispies; stir.
Pour into the buttered baking dish; flatten and smooth out.
Cover with milk chocolate frosting and chopped Reese's Peanut Butter Cups. Cut into pieces.
Serve.