A soft fudge brownie layered with peanut butter and topped with a Rice Krispies® treat. Serve cooled or at room temperature. Great for parties!

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Recipe Summary

prep:
15 mins
cook:
35 mins
additional:
30 mins
total:
1 hr 20 mins
Servings:
16
Yield:
16 brownies
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Ingredients

16
Original recipe yields 16 servings
The ingredient list now reflects the servings specified
Ingredient Checklist

Directions

Instructions Checklist
  • Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking dish.

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  • Beat brownie mix, vegetable oil, water, and 2 eggs in a bowl until batter is smooth.

  • Whisk flour, baking powder, and salt together in a small bowl.

  • Beat peanut butter, brown sugar, and 2 tablespoons butter together in another bowl with an electric mixer until light and creamy. Beat 1 egg and vanilla into peanut butter mixture until fluffy. Stir flour mixture into peanut butter mixture until just blended.

  • Pour brownie batter in the prepared baking dish. Drop peanut butter mixture by small spoonfuls over the brownie batter.

  • Bake brownies in the preheated oven until a toothpick inserted in the center of the brownies comes out clean, about 30 minutes; cool.

  • Melt 1/4 cup butter in a large saucepan over medium heat; add marshmallows and stir until marshmallows are melted. Cook mixture until butter and marshmallow flavors are combined, about 2 minutes; remove from heat.

  • Spread 1/3 the marshmallow mixture over the cooled brownies. Stir crispy rice cereal into remaining 2/3 the marshmallow mixture; press in an even layer on top of the brownies. Refrigerate until set, about 15 minutes; cut into squares.

Cook's Note:

You can 'marble' the brownies by running a knife through the spoonfuls of peanut butter mixture into the brownie batter.

Nutrition Facts

384 calories; protein 5.8g 12% DV; carbohydrates 49.1g 16% DV; fat 19.8g 31% DV; cholesterol 47.2mg 16% DV; sodium 290.8mg 12% DV. Full Nutrition

Reviews (4)

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6 Ratings
  • 5 star values: 4
  • 4 star values: 1
  • 3 star values: 1
  • 2 star values: 0
  • 1 star values: 0
Rating: 5 stars
12/11/2017
Okay… this was an amazing recipe!! A few substitutions though. After making brownies, I topped with a thin marshmallow fondant layer, then I used a peanut butter Krispy treats recipe to do the treats layer since I used marshmallows in the fondant already Read More
(2)
Rating: 5 stars
08/10/2016
these were delicious- and made a little different with the Krispy layer. My family loved them! I think there are a couple of mistakes though in the ingredient list. In the ingredients for the brownies, the list says 1 egg- but in the directions (and on the box) it said two, so I used two. In the list for the PB ingredients, it says 1/4 cup butter, but in the directions, it says 2 Tbsp so that is what I did. Just follow the directions more so than the ing. list. I had to cook them about 7 min longer than recipe states, but I find that common with brownies to get them done all through. Very delicious! Read More
(1)
Rating: 5 stars
12/25/2015
By mistake I baked the brownies separately then put the pan back in the oven after I added the peanut butter layer. I think that worked out better because it allowed the brownie layer to bake a little more and be less moist (or appear less raw). I brought these to my family's Christmas party and everyone raved over them! Read More
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Rating: 4 stars
05/06/2015
Seemed like a lot of trouble and dishes but the results were wonderful. Talk about mixing two classics-its worth a try! Read More