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    You are here: Home / Desserts / Bars & Brownies / Buckeye Brownies

    Buckeye Brownies

    September 12, 2016 Updated October 30, 2016 BySam 44 Comments

    This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases. Please read my disclosure policy.
    Jump to Recipe Print Recipe

    Buckeye brownies! Chewy chocolate brownies with a peanut butter fudge topping covered in a silky, buttery, chocolate fudge frosting.

    Buckeye Brownies -- These are DELICIOUS!

    I’m a little surprised it’s taken me so long to share this recipe with you.  I have a whole pile of peanut butter & chocolate recipes, (even two peanut butter-infused brownies) on this site, and yet one of my oldest and favorite recipes somehow doesn’t even have its own space on the blog.

    I used to make these buckeye brownies as a potluck staple when I worked at Hopkins.  Every time I brought them in, the neatly cut squares flew out of the Tupperware container before any other dessert, and I even had one of the cleaning ladies offer to pay me to make her a batch for a party.

    Instead, I gave her the recipe, because though they are decadent and impressive, they’re actually pretty darn easy to make!

    Buckeye Brownies -- These are DELICIOUS!

    Instead of using my standard favorite Best Ever Brownie Recipe, I went with a quick and easy chewy, chocolaty recipe that takes a little less time.  You can get away with using a box-mix baked in a 13×9 pan if you’re really in a time-crunch, but the brownies come together so quickly I really recommend making them as written.

    This chewy recipe works really well with the fudginess of the peanut butter layer, and the “frosting” is a simple, two-ingredient, chocolate spread made by melting together chocolate chips and butter.

    Buckeye Brownies -- These are DELICIOUS!

    Buckeye Brownies -- These are DELICIOUS!

    Quick confession: I’ve never had an actual buckeye candy on its own before, but the peanut butter filling is true to the ingredients used to make the candies.

    Considering how wonderful the peanut butter tastes sandwiched between the chocolate of the frosting and the brownie base, I don’t know why you’d ever want to make it without the brownie layer, anyway!

    Buckeye Brownies -- These are DELICIOUS!

    Enjoy!

    Two buckeye brownies stacked on a silver plate

    Buckeye Brownies

    Buckeye brownies! Chewy chocolate brownies with a peanut butter fudge topping covered in a silky, buttery, chocolate fudge frosting.
    4.89 from 18 votes
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Prep Time: 35 minutes
    Cook Time: 25 minutes
    Total Time: 1 hour
    Servings: 24 bars
    Calories: 428kcal
    Author: Sam Merritt

    Ingredients

    • 12 Tbsp butter cut into Tablespoon-sized pieces, (170g)
    • ¾ cup cocoa powder (75g)
    • 1 ⅔ cup granulated sugar (345g)
    • 1 Tablespoon water (15ml)
    • 1 teaspoon vanilla extract (5ml)
    • 2 large eggs + 1 large egg yolk lightly beaten
    • 1 ⅓ cup all-purpose flour (170g)
    • ½ teaspoon baking powder (2g)
    • ¼ teaspoon salt (2g)

    Peanut Butter Fudge

    • 2 cups creamy peanut butter (475g)
    • ½ cup butter chopped into about 8 pieces, (113g)
    • 1 teaspoon vanilla extract (5ml)
    • 2 ¼ cups powdered sugar (360g)
    • 1 Tablespoon milk (15ml)

    Chocolate Ganache

    • 1 ½ cups chocolate chips (265g)
    • 6 Tablespoons butter cut into pieces, (85g)
    Prevent your screen from going dark

    Instructions

    • Preheat oven to 350F (177C) and lightly grease/spray a 13x9 pan (or line with parchment paper).
    • In a large, microwave-safe bowl, heat butter in microwave until melted.
    • Stir in cocoa powder and sugar.
    • Add water and vanilla extract and stir until combined.
    • Add eggs and egg yolk, stir well.
    • In a separate, medium-sized bowl, combine flour, baking powder and salt.
    • Gradually add to butter mixture until completely combined.
    • Spread batter evenly into prepared pan and bake on 350F (177C) for 25 minutes. Allow to cool completely before covering with peanut butter fudge.

    Peanut Butter Fudge

    • Combine peanut butter and butter in large heat proof bowl and microwave at 15-second increments (stirring between each) until butter is completely melted.
    • Stir in vanilla extract.
    • Gradually add/stir in powdered sugar.
    • Add milk and stir well. Mixture should be fudgy enough that you can mold pieces into a ball, but not too stiff that you won't be able to spread it over the brownies (feel free to add additional milk, 1 teaspoon at a time, if mixture is too stiff, or more powdered sugar, 1 Tablespoon at a time if mixture is too soft).
    • Drop peanut butter mixture by heaping spoonfuls over the cooled brownies and use a knife to gently spread until the brownies are evenly covered with a thick layer of fudge.
    • Prepare chocolate fudge frosting by combining chocolate chips and remaining butter in a medium heat-proof bowl and microwaving at 15-second increments (stirring well between) until completely melted.
    • Evenly pour chocolate over fudge, spread with a knife.
    • Allow chocolate to set before slicing and serving (30-60 minutes).

    Nutrition

    Serving: 1brownie | Calories: 428kcal | Carbohydrates: 44g | Protein: 8g | Fat: 27g | Saturated Fat: 12g | Trans Fat: 1g | Cholesterol: 48mg | Sodium: 246mg | Potassium: 207mg | Fiber: 3g | Sugar: 34g | Vitamin A: 427IU | Vitamin C: 1mg | Calcium: 37mg | Iron: 1mg

    Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.

    Tried this recipe? Show me on Instagram!Mention @SugarSpun_Sam or tag #sugarspunrun!

    PIN IT:

    Buckeye Brownies -- These are DELICIOUS!

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    Reader Interactions

    Comments

    1. Jeanne B

      December 17, 2019 at 8:33 am

      I plan to make these. I love buckeyes but time consuming and dipping in chocolate sometimes messy. Wondering instead of 13×9 pan could a larger pan cookie sheet maybe work? Thinking they are rich and thick in13x9? By the way I always freeze buckeyes and they do well. I just take out amount I need.
      Thx

      Reply
      • Sugar Spun Run

        December 17, 2019 at 9:53 am

        Hi, Jeanne! A sheet pan should work just fine. I am glad that you have had success freezing the brownies, thanks for sharing. 🙂

        Reply
    2. Jan L.

      March 02, 2019 at 6:58 pm

      5 stars
      Delicious! My 14 year old daughter was feeling bake-y today so we pulled all the ingredients and I got out of her way. She followed flawlessly and made these decadent, wonderful, delightful brownies. Thanks for sharing!

      Reply
      • Sam

        March 02, 2019 at 8:28 pm

        I am so glad everyone enjoyed them, Jan! 🙂

        Reply
    3. Wendy

      December 10, 2018 at 8:05 am

      5 stars
      Definitely giving the Buckeyes a try- these are a staple at Christmas and I’m always looking for a way to improve them. Don’t know why I didn’t consider the brown sugar- genius!
      I also adore the look of the Buckeye Brownies! Beautiful!!
      These are going to be my next work nom noms!
      Thank you so much for sharing 😁

      Reply
      • Sam

        December 10, 2018 at 9:50 pm

        I hope you love them, Wendy! 🙂

        Reply
        • Roxanne

          December 16, 2019 at 4:01 am

          Can I freeze these

        • Sugar Spun Run

          December 16, 2019 at 9:57 am

          Hi, Roxanne! I haven’t personally frozen mine but I don’t think it would be a problem to freeze them. 🙂

    4. Judy

      November 24, 2018 at 8:37 pm

      5 stars
      I made these for our thanksgiving feast with family and friends. It was a big hit. I did change the recipe for the brownies slightly. I used gluten free flour and 1/2 t. almond extract and 1/2 t. vanilla extract. These were definitely the best gluten free brownies I have ever had. Thank you for sharing.

      Reply
      • Sam

        November 24, 2018 at 11:18 pm

        Thank you so much, Judy! I am so glad everyone enjoyed them. ☺️

        Reply
    5. Ginny

      August 04, 2018 at 6:56 am

      These look amazing. I am thinking of making several batches for an event. Do you know if they freeze well?

      Reply
      • Sam

        August 05, 2018 at 9:44 pm

        I haven’t personally frozen mine but I don’t think it would be a problem to freeze them 🙂

        Reply
    6. Kevo

      June 06, 2018 at 12:35 am

      5 stars
      Garsh Danget I ran out of butter…

      Reply
    7. Tracy

      March 13, 2018 at 6:25 pm

      5 stars
      I just made these today and they are sooooo good. I didn’t have enough butter and were in the middle of a blizzard, so I substituted vegetable oil. All of the layers compliment each other perfectly. Very rich without being too sweet. They came out so amazing, I can’t wait to make them again!

      Reply
      • Sam

        March 14, 2018 at 9:50 pm

        Yay! Glad to hear they were such a hit! 🙂

        Reply
    8. Liz

      February 02, 2018 at 8:29 pm

      What kind of chocolate chips did you use for the chocolate topping. Wondering if they are semisweet or milk chocolate or something else.

      Reply
      • Sam

        February 12, 2018 at 11:12 pm

        Semisweet 🙂

        Reply
    9. Keys

      December 24, 2016 at 10:48 pm

      5 stars
      I just want you to know my daughter and I made these Christmas eve. They are Fantastic!!!!

      Reply
      • Sam

        December 27, 2016 at 9:08 pm

        I’m so glad to hear it!! Glad you loved them, and I hope you had a fantastic Christmas! 🙂

        Reply
    10. Joyce

      November 18, 2016 at 1:33 pm

      Oh, man, am I glad I don’t have all the ingredients, and no time to get the few I’d need; these look and sound utterly FABULOUS, and my family would love them for Thanksgiving…but in the meantime, I live alone, and would just have to make a “sample” batch, don’t you know, in order to try them out—yeah, just a good thing I don’t have all the ingredients :-). Will make them for the family gathering in December, though!

      Reply
      • Sam

        November 22, 2016 at 12:34 pm

        Haha, I love the idea of a “sample batch”! Unfortunately for me, the full-sized recipe usually turns into a “sample batch” (I have no self control). I hope you love them when you do make them, Joyce! 🙂

        Reply
    11. Mary S.

      October 20, 2016 at 5:15 pm

      5 stars
      Delicious! They were surprisingly easy to make too!

      Reply
      • Sam

        October 20, 2016 at 10:06 pm

        I’m so glad that you enjoyed them, Mary! 🙂

        Reply
    12. Zerrin Günaydın

      October 02, 2016 at 7:23 pm

      These look so tempting. Will definitely try!

      Reply
    13. Medha @ Whisk & Shout

      September 13, 2016 at 6:04 pm

      These brownies look awesome- definitely not your average brownies with some peanut butter thrown in there… the fudge and frosting really take these to the next level! 🙂

      Reply
      • Sam

        September 14, 2016 at 9:59 am

        Thank you, Medha! 🙂

        Reply
    14. Lucy @ Globe Scoffers

      September 13, 2016 at 4:25 pm

      5 stars
      Mmm these look delicious! Thanks for sharing.

      Reply
      • Sam

        September 14, 2016 at 9:59 am

        Thanks, Lucy! 🙂

        Reply
    15. Sues

      September 12, 2016 at 1:37 pm

      I don’t know how anyone could resist these! All of my favorites together in one pan 🙂

      Reply
      • Sam

        September 12, 2016 at 2:17 pm

        Thanks, Sues! 🙂

        Reply
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    The author (Sam) in blue shirt holding donut Hi, I'm Sam! I'm dedicated to bringing you sweet, simple, and from-scratch dessert recipes. My life may or may not be controlled by my sweet tooth. Send help (or chocolate). Read more about me.

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