Mix the brownies according to their instructions - and bake them for 20 to 25 minutes in a 9 x 13 baking dish.
Remove and top with peanuts and peanut butter cups, and bake for 4 to 6 minutes more.
While they are finishing baking, melt chocolate chips, peanut butter and butter. I do this in 30 second intervals in the microwave. Stir in the cereal. Remove the brownies from oven and evenly pour chocolate mixture over top.
Refrigerate for at least 2 hours before serving. Slice into squares!
Course: Dessert
Cuisine: American
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