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Home » Recipe Index » Reese’s Peanut Butter Swirl Brownies

Reese’s Peanut Butter Swirl Brownies

December 8, 2018 by Kara Cook 15 Comments

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peanut butter swirl brownies pinterest pin

Peanut Butter Swirl Brownies . . . fudgy brownies with a peanut butter swirl and a generous helping of chopped peanut butter cups. A perfect brownie for peanut butter lovers!

I simply can’t resist anything with chocolate and peanut butter, especially if it involves peanut butter cups! I also love Loaded Chocolate Peanut Butter Cookies and Reese’s Peanut Butter Oat Bars.

reese's peanut butter swirl brownies title photoPeanut Butter Swirl Brownies

Chocolate and peanut butter are just meant to be together. I don’t know if there’s a more tasty combination in the universe. These brownies are going to rock your world!

You start with a fudgy brownie that is sensational on it’s own. Fold in a few chopped peanut butter cups and a peanut butter swirl, and you have a treat that’s downright irresistible! 

 

peanut butter swirl brownie recipe collage

How to make peanut butter swirl brownies:

Chop peanut butter cups and place them in the freezer. Preheat your oven to 350°.

For the batter, melt butter in a large glass bowl. Whisk in the sugar and cocoa. Add eggs and vanilla and whisk till smooth. Stir in dry ingredients and about 3/4 cup of the chopped peanut butter cups.

Spread batter into a greased 9×13″ pan. Drop dollops of peanut butter on top of the batter. Swirl with a butter knife.

how to make peanut butter swirl brownies

Bake at 350° for about 20 minutes. Sprinkle remaining peanut butter cups on top. Return to oven and bake for another 18-22 minutes. Cool and cut into squares.

tips for baking peanut butter brownies

I love the saltiness that the peanut butter adds to the whole taste experience. I did try a version with a sweetened peanut butter swirl, but I found that I liked just plain peanut butter better. It’s a great balance to the sweetness of the Reese’s peanut butter cups.  

I was in heaven with every dedadent bite of these brownies. Having a cold glass of milk nearby is a must, these babies are pretty rich! One of the most sinfully delicious brownie recipes I’ve ever tried. 

reese's peanut butter swirl brownies recipe collage

Speaking of brownies, today happens to be National Chocolate Brownie Day. I’m teaming up with my fellow Celebrating Food Holidays bloggers to bring you a dozen reasons why you need to celebrate today. Enjoy!

12 brownies recipe collage

Eight new brownie recipes:

  • Brownie Peppermint Ice Cream Pie from Real Mom Kitchen
  • Easy Homemade Brownies from Pretty Providence
  • Black Bean Brownies from Savory Experiments
  • Healthy Brownies from Namely Marly
  • Simple Chocolate Orange Brownies from An Italian in My Kitchen
  • Reese’s Peanut Butter Swirl Brownies from Creations by Kara (you’re here!)
  • Chocolate Gingerbread Brownies from The Baker Upstairs
  • Christmas Tree Brownies from Supergolden Bakes

A few of my favorite brownies:

  • Cherry Cheesecake Brownies
  • German Chocolate Brownies
  • Zucchini Brownies
  • Mint Brownies
  • Dulce de Leche Brownies

Recipe for Reese’s Peanut Butter Swirl Brownies

Reese's Peanut Butter Swirl Brownies

Kara Cook
Fudgy brownies with a peanut butter swirl, loaded with chopped Reese's peanut butter cups.
4.52 from 41 votes
Print Recipe Pin Recipe
Prep Time 20 minutes mins
Cook Time 40 minutes mins
Total Time 1 hour hr
Course Dessert: Brownies and Bars
Cuisine American
Servings 24 servings
Calories 348 kcal

Ingredients
  

  • 1 cup butter melted
  • 2 cups sugar
  • ¾ cup cocoa powder
  • 2 tsp vanilla
  • 4 eggs
  • 1 ½ cups flour
  • ½ tsp salt
  • ¾ cup creamy peanut butter
  • 2 cups miniature Reese's peanut butter cups chopped

Instructions
 

  • Chop peanut butter cups and place them in the freezer. Preheat oven to 350°.
  • Whisk together melted butter, sugar, and cocoa. Add eggs and vanilla and whisk till smooth. Stir in flour, salt, and about 3/4 cup of the peanut butter cups.
  • Spread batter into a greased 9x13" pan. Drip peanut butter by spoonfuls on top of batter. Swirl with a butter knife.
  • Bake at 350° for about 20 minutes. Sprinkle remaining peanut butter cups on top.
  • Bake for another 18-20 minutes. Cool and cut into squares.

Nutrition

Serving: 1gCalories: 348kcalCarbohydrates: 39gProtein: 7gFat: 20gSaturated Fat: 9gPolyunsaturated Fat: 3gMonounsaturated Fat: 8gTrans Fat: 0.3gCholesterol: 49mgSodium: 239mgPotassium: 189mgFiber: 2gSugar: 29gVitamin A: 289IUVitamin C: 0.1mgCalcium: 34mgIron: 1mg
Keyword peanut butter swirl brownies
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Filed Under: Dessert: Brownies and Bars, Recipe Index Tagged With: peanut butter, reese's

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Reader Interactions

Comments

  1. Dianna

    March 9, 2023 at 10:13 am

    I love peanut butter and chocolate! However, given the nutrient counts for one bar (out of 20) (Calories: 394; Total Fat: 22g; Saturated Fat: 10g; Trans Fat: 0g; Unsaturated Fat: 11g; Cholesterol: 63mg; Sodium: 273mg; Carbohydrates: 44g; Fiber: 2g; Sugar: 31g; Protein: 7g), can a sugar substitute be used, such as date sugar, Splenda, monkfruit, allulose, Stevia, etc. in the brownie portion of the recipe?

    Reply
    • Kara Cook

      March 16, 2023 at 10:54 am

      I haven’t personally tried using a sugar substitute, but if you are comfortable using it in similar recipes, I would definitely give it a try! Also, cutting it into 20 squares does make large brownies, so you could always cut them into smaller portions. 🙂

      Reply
  2. Anita

    May 13, 2022 at 1:51 pm

    What size bag of pb cups?

    Reply
    • Kara Cook

      May 30, 2022 at 10:21 pm

      I usually have the huge bags from Costco, but I think a 17 ounce bag would be plenty, and you might be able to get by with a 10 ounce bag.

      Reply
  3. Kara b

    May 9, 2019 at 4:54 pm

    Can these be frozen? Was thinking of making them ahead of time for a party…

    Reply
  4. Kristyn

    December 11, 2018 at 4:38 pm

    Oh, my!! The best combination ever! How could you go wrong with chocolate, peanut butter, & reese’s!? You can’t! We love these!

    Reply
  5. Amy Huntley

    December 10, 2018 at 9:53 pm

    Oh man! Who doesn’t love Chocolate and Peanut Butter?? So delicious! Definitely a new favorite!

    Reply
  6. Becca

    December 10, 2018 at 3:57 pm

    I’m a huge fan of chocolate and peanut butter so this is a TOTAL winner in my book!

    Reply
  7. Sabrina

    December 10, 2018 at 1:25 pm

    The hardest part to these would be making sure my family didn’t eat all of the peanut butter cups before making it! Looks perfect!

    Reply
    • Kara Cook

      December 14, 2018 at 5:34 pm

      Haha, that is a challenge at my house as well. I’ve had to get creative with my hiding places!

      Reply
  8. Rachael Yerkes

    December 10, 2018 at 10:37 am

    Reese Peanut Butter is my very favorite treat!

    Reply
  9. Kimberly

    December 10, 2018 at 10:06 am

    Oooh, these are absolutely glorious, YUM!

    Reply
  10. Anna

    December 10, 2018 at 9:47 am

    Nothing beats chocolate and peanut butter and chocolate combo! These brownies are rich and delicious!

    Reply
4.52 from 41 votes (41 ratings without comment)

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Hi. I’m Kara, and I've loved cooking since I was about 10. Great food brings people together and can create some amazing memories. I hope you will use my family friendly recipes to make memories with your loved ones!
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