Peanut Butter Brownie Bars Recipe
Peanut Butter Brownie Bars Recipe photo by Taste of Home
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Peanut Butter Brownie Bars Recipe

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A brownie mix base makes this a simple treat that will appeal to adults and children alike. Creamy peanut butter, crunchy nuts and crisp cereal make the bars fun to bite into. —Radelle Knappenberger, Oviedo, Florida
Featured In: Top 10 Brownie Recipes
TOTAL TIME: Prep: 20 min. Bake: 25 min. + chilling
MAKES:36 servings
TOTAL TIME: Prep: 20 min. Bake: 25 min. + chilling
MAKES: 36 servings


  • 1 package fudge brownie mix (13-inch x 9-inch pan size)
  • 12 peanut butter cups, chopped
  • 1/2 cup salted peanuts, chopped
  • 2 cups (12 ounces) semisweet chocolate chips
  • 1-1/4 cups creamy peanut butter
  • 1 tablespoon butter
  • 1-1/2 cups crisp rice cereal
  • 1 teaspoon vanilla extract
  • 1/8 teaspoon salt

Nutritional Facts

1 each: 252 calories, 17g fat (4g saturated fat), 13mg cholesterol, 154mg sodium, 24g carbohydrate (16g sugars, 2g fiber), 5g protein.


  1. Prepare brownie batter according to package directions. Spread into a greased 13x9-in. baking pan. Bake at 350° for 20-25 minutes or until a toothpick inserted near the center comes out with moist crumbs.
  2. Sprinkle with peanut butter cups and peanuts. Bake 4-6 minutes longer or until chocolate is melted. Cool on a wire rack.
  3. Meanwhile, in a microwave-safe bowl, melt the chocolate chips, peanut butter and butter; stir until smooth. Stir in the cereal, vanilla and salt. Carefully spread over brownies. Cover and refrigerate for at least 2 hours before cutting. Yield: 3 dozen.
Originally published as Peanut Butter Brownie Bars in Country Woman August/September 2007, p29

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StoFamme User ID: 8935852 254289
Reviewed Sep. 18, 2016

"I made these for my family (a couple of us are die hard brownie and Peanut Butter Cup fans) and took some to work because I had so much. What a big hit! Everybody raved about these and wanted the recipe. I did change it just a little bit because I used what I had on hand at the time. I used Trader Joe's truffle brownie mix, substituted rice crispies with Pumpkin Flax Granola Cereal (healthier then rice crispies?) and used chunky peanut butter instead of creamy. They did fall apart and were hard to cut, but were still a hit and tasted delicious. I actually preferred this over See's California Brittle which is my fave. The taste was a nice combination of brownie, peanut butter and chocolate, not too sweet as a candy bar is. Melts in your mouth (thanks to the load of saturated fat I suppose), but darn good."

luigimon User ID: 1692040 221530
Reviewed Feb. 27, 2015

"After I refrigerated it, I let it come to room temperature before I cut them. Most of them turned out great, though I too had trouble keeping the top layer on. But wow do these taste good!! I'll make them again as a change, but it's not a favorite."

Kimsister User ID: 7615638 220306
Reviewed Feb. 11, 2015

"Great taste, but I found them very difficult to cut. The chocolate layer kept separating from the bottom layer. Perhaps in step 2 if you would sprinkle the peanuts first and then the peanut butter cups, they would melt and the top chocolate layer would adhere better."

cbachtel User ID: 3618273 169837
Reviewed Sep. 4, 2014 Edited Nov. 17, 2014

"Made a double batch of these for my son's wedding. Took home an empty plate! They were very well received. Because I have diabetes, I didn't eat any, but others said they tasted like a candy bar! I made these again for work, and I have had to make copies of the recipe to hand out! I think, when I make these again, though, I will try folding the peanut butter cups and peanuts into the brownies before baking. Maybe that will keep them from separating."

skot User ID: 2362728 169836
Reviewed Sep. 2, 2014

"I made these twice and they were a big hit. I plan to make them again for

a retirement party this week."

karipickett User ID: 4637473 154865
Reviewed Mar. 13, 2014

"I made these for a long trip in a van caravan-of 10 couples great fun and these were a big hit,everyone loved them"

nerrbie User ID: 5831553 132892
Reviewed Feb. 25, 2014

"OMG...made these today for the kids at work...they are delicious and decadent and will be made many times. I didn't have a brownie mix so made my trusty brownie recipe instead. If you like chocolate and MUST give these a try!"

rufgator User ID: 7219111 97246
Reviewed Feb. 10, 2014

"amazing*****was the biggest hit at super bowl party"

tomtom6 User ID: 120008 132891
Reviewed Feb. 4, 2014

"Awesome brownies! Rich tasting, so cut small servings!"

mandy21183 User ID: 7420029 156272
Reviewed Sep. 27, 2013

"I made these today and they taste very well, although I can't get the two layers to stick together. I made them for a cub scout bake sale so we will see what happens. Very Good.."

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