Brownie Mallow Bars Recipe
Brownie Mallow Bars Recipe photo by Taste of Home

Brownie Mallow Bars Recipe

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From Lees Summit, Missouri, Stacy Butler notes, "These yummy bars are a hit wherever I take them." A brownie mix streamlines assembly of the chewy bars, which are topped with mini marshmallows and a decadent layer of chocolate, peanut butter and crisp cereal.
TOTAL TIME: Prep: 15 min. Bake: 35 min. + chilling
MAKES:30 servings
TOTAL TIME: Prep: 15 min. Bake: 35 min. + chilling
MAKES: 30 servings


  • 1 package fudge brownie mix (13-inch x 9-inch pan size)
  • 1 package (10-1/2 ounces) miniature marshmallows
  • 2 cups (12 ounces) semisweet chocolate chips
  • 1 cup peanut butter
  • 1 tablespoon butter
  • 1-1/2 cups crisp rice cereal


  1. Prepare brownie batter according to package directions for fudge-like brownies. Pour into greased 13-in. x 9-in. baking pan.
  2. Bake at 350° for 28-30 minutes. Top with marshmallows; bake 3 minutes longer (marshmallows will not be completely melted). Cool on a wire rack.
  3. In a microwave-safe bowl, melt the chocolate chips, peanut butter and butter; stir until smooth. Stir in cereal; spread over brownies. Refrigerate for 1-2 hours or until firm before cutting. Yield: 2-1/2 dozen.
Editor's Note: This recipe was tested with Betty Crocker fudge brownie mix.
Originally published as Brownie Mallow Bars in Quick Cooking March/April 2003, p20

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Reviewed Aug. 21, 2014

Takes a little time but so worth it. My family devoured in short order!

Reviewed Dec. 29, 2011

Add to the Marshmallow about 1/2 tsp coconut flavoring and about 1/2 Cup flaked coconut, and you have a Mounds bar.

Reviewed Mar. 8, 2011

Lots of calories but oh so worth it the kids now want it for there birthday treat

Reviewed Sep. 17, 2010

The marshmallow layer was gunky and did not stick well to the brownie layer BUT my 14 yr old nephew LOVED them. I'm making them again for his birthday.

Reviewed Jun. 16, 2010

These are absolutely amazing and an instant hit with the entire crew! We even tried them a 2nd time mixing crushed graham crackers in the with crispies for an even more s'mores-like taste. Yummo!

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