Duncan Hines Milk Chocolate Chunk Brownie Mix, sweet and smooth marshmallow cream, and hits of crisp rice cereal. These Marshmallow Crispie Bars are a real mouthful!
Preheat oven to 350 ºF. Grease bottom of 8×8-inch pan.
Prepare and bake brownies according to package directions. Remove from oven.
Sprinkle marshmallows on hot brownies. Return to oven. Bake for 3 minutes.
Place chocolate chips and peanut butter in medium saucepan. Cook on low heat. Stir constantly until chips are melted. Add rice cereal. Mix well. Spread mixture over marshmallow layer. Refrigerate until chilled.