Buckeye Brownie Recipe

This Buckeye Brownie Recipe has everything we love about buckeye cookies and brownies combined into one delicious dessert that’s so decadent, rich, and delicious.

Buckeye brownies stacked atop one another on cutting board

Buckeye cookies are a classic sweet treat. So are brownies. We decided to combine them into one delicious peanut butter and chocolate dessert that everyone always loves.

❤️ Why You’ll Love This Recipe

  • It’s rich and decadent.
  • It has loads of chocolate and peanut butter.
  • It’s super easy to make.
  • It’s perfect for dessert or as an addition to any potluck or party.


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Overhead shot of individual ingredients on table
  • Fudge brownie mix – Including the ingredients on the back of the box
  • Butter
  • Peanut butter
  • Powdered sugar
  • Chocolate chips
  • Heavy cream

See the recipe card below for quantities.

🔪 How to Make This Buckeye Brownie Recipe

It only takes a few simple steps to make this delicious brownie recipe.

Step 1: Prep

Preheat the oven to 350 degrees and spray a 9×13 baking dish with non-stick spray.

Step 2: Make the Brownies

Make the brownies according to the package directions on the box. Cool the brownies completely.

Step 3: Make the Peanut Butter Mixture

Beat the butter, peanut butter, and powdered sugar in a mixing bowl until well combined.

Step 4: Add the Peanut Butter to the Brownies

Drop the peanut butter mixture over the brownies by spoonfuls. Then, use a spatula to evenly spread the mixture over the brownies.

Overhead shot of peanut butter layer on top of brownies

Step 5: Make the Frosting

In a microwave-safe bowl, melt the chocolate chips at 30-second intervals, stirring well between each interval, until melted. Stir in the heavy cream.

Overhead shot of frosted buckeye brownies

Step 6: Add the Frosting and Chill

Spread the frosting evenly over the peanut butter layer and chill the brownies for at least 4 hours. Enjoy!

Hint: It’s imperative that you let the brownies chill before cutting them. This ensures that they’re easy to cut evenly and neatly.

Closeup shot of buckey brownie


Do you want to change up this recipe and make it your own? Here are some ways that you can do that!

  • Almond Buckeyes – Use almond butter in place of peanut butter.
  • Reese’s Pieces – Fold Reese’s Pieces into the peanut butter mixture for a fun addition.
  • Peanut Butter Chips – Sprinkle peanut butter baking chips on top of the completed brownies.

Check out our other delicious layered brownies!

🥄 Equipment

  • Measuring cups and spoons
  • Mixing bowls
  • Baking dish
  • Spatula
  • Spoon
  • Hand mixer

TIf you don’t have a microwaveable bowl, you can use a double boiler for the chocolate chips.

🥫 Storage

Store these brownies in an air-tight container in the refrigerator for up to a week.

💭 Tips

  • Be sure you let the brownies cool completely before adding the peanut butter layer. Otherwise, the heat will start to melt the peanut butter layer.
  • Be sure you spray your pan with nonstick spray or lightly grease and flour it or you’ll never get the brownies out in one piece.
Closeup shot of buckeye brownies on cutting board

⁉️ FAQ

Do you have questions about this recipe? Here are the answers to the most commonly asked questions.

How long will these brownies last?

They’ll be good for up to a week in an air-tight container in the refrigerator.

Why do these brownies have to be refrigerated?

The peanut butter layer uses a half cup of butter and is not baked.

Buckeye brownies on cutting board with bite taken out of foremost brownie

🍽 More Recipes

Do you enjoy brownies? Then, try these delicious recipes:


Butterfinger Cheesecake Bars

Banana Pudding Cheesecake Bars

Coconut Dream Cookies Cheesecake

Easy Chocolate Pie Dip


🧾Buckeye Brownie Recipe

Want to make this recipe? Print the recipe card below, or pin this recipe, so you can find it later.

Buckeye Brownie Recipe

This buckeye brownie recipe is loaded with chocolate and peanut butter and topped with a simple chocolate frosting. Yummy!
4.23 from 22 votes
Print Pin Rate
Course: Dessert
Cuisine: American
Prep Time: 20 minutes
Cook Time: 25 minutes
Servings: 24 Servings
Calories: 168kcal
Author: Rob


  • Measuring Cups and Spoons
  • mixing bowls
  • Baking dish
  • Spatula
  • Spoon
  • Hand mixer


  • 1 box fudge brownie mix and ingredients from back of box
  • ½ cup butter
  • 1 cup peanut butter
  • 2 cups powdered sugar
  • 10 ounces milk chocolate chips
  • 6 tablespoons heavy cream


  • Preheat your oven to 350 degrees Fahrenheit and spray a 9 x 13-inch baking dish with non-stick spray.
  • In a large bowl, prepare box of brownie mix according to package directions.
  • Pour brownie mix into the baking pan and bake according to box directions (20-25 minutes).
  • Allow the brownies to cool completely while you make the next layer.
  • In a mixing bowl, combine 1/2 cup of butter, peanut butter, and powdered sugar.
  • Using a hand mixer, beat on medium speed until well combined.
  • Drop the peanut butter mixture over the brownie layer in small spoonfuls.
  • Use an offset spatula or butter knife to spread the peanut butter mixture in an even layer over the brownies.
  • In a microwave-safe bowl, heat chocolate chips on 30 second intervals, stirring well between each set, until melted.
  • Stir in heavy cream and mix until its smooth ganache consistency.
  • Pour melted chocolate topping over the top of the peanut butter layer and spread evenly.
  • Chill the brownies in the refrigerator for at least 4 hours to allow the peanut butter center and the chocolate layer to firm up.
  • Slice the cooled brownies into squares and enjoy!


Any nutritional data I provide is an approximation and actual dietary information can vary based on ingredients and proportion sizes


Calories: 168kcal | Carbohydrates: 17g | Protein: 3g | Fat: 9g | Saturated Fat: 3g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Cholesterol: 6mg | Sodium: 55mg | Potassium: 71mg | Fiber: 1g | Sugar: 15g | Vitamin A: 63IU | Vitamin C: 1mg | Calcium: 14mg | Iron: 1mg

4.23 from 22 votes (17 ratings without comment)

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  1. 5 stars
    These are some of the best brownies I’ve ever had. I made them last weekend for the family, and they were gone in two days. They’re phenomenal.

    1. So glad you and the family enjoyed them Beth! We all love them too

  2. 5 stars
    Love the simple ingredients this uses, I have almost all of them in my kitchen already! Looks like it would be sooo good.

    1. Thanks Luna I hope you love them as much as we do.

    1. Thanks Sonia. It’s a family favorite! hope you love it ๐Ÿ™‚

  3. Stephanie says:

    5 stars
    Peanut butter and chocolate are are irresistible. My family loves this goody – and its simple to make even the kids can pitch in.

  4. 5 stars
    Peanut butter and chocolate really are the perfect combination. This sounds absolutely delicious.

    1. They sure are! My family’s favorite! ๐Ÿ™‚ I hope you enjoy if you make

  5. Faith Stephenson says:

    There’s nothing better than brownie chocolate for kids! This is definitely something I will try in the future!

    1. I hope you enjoy as much as we do when you try them!

  6. Wow! This looks so delicious and the combination is just perfect. Would love to try this. Thank you for sharing the recipe and the tips. Will try to get all the ingredients ready this weekend.

    1. I hope you love these as much as we do!