Rich ‘n Gooey Buckeye Brownie Bars: The Ultimate Peanut Butter Chocolate Indulgence
Prepare yourself for an irresistible dessert experience that combines two beloved flavors into one sensational treat: Rich ‘n Gooey Buckeye Brownie Bars. These decadent bars feature fudgy chocolate brownies generously layered with a creamy, dreamy peanut butter filling, creating a symphony of textures and tastes that will satisfy even the most intense sweet tooth. If you’re a fan of the classic peanut butter and chocolate combination, these bars are destined to become your new favorite obsession. Each bite offers a perfect balance of rich chocolate and smooth, sweet peanut butter, melting in your mouth with an ooey-gooey deliciousness that is truly unparalleled.
For anyone who adores the iconic buckeye candy, these brownie bars take that beloved flavor profile to an entirely new level. Imagine your favorite buckeye candy, but nestled within a warm, fudgy brownie. It’s a match made in dessert heaven! And if you can’t get enough of this combo, you might also enjoy a delightful Buckeye Pie or classic Buckeye Candy.

What Exactly Are Buckeyes? The Sweet Inspiration
The term “Buckeyes” refers to a traditional American confection, particularly popular in Ohio, where the buckeye tree is the state tree. These delightful treats are crafted from a rich, creamy peanut butter candy mixture rolled into small balls, then partially dipped into melted chocolate. The distinct characteristic of a buckeye candy is the small circle of peanut butter left visible at the top, which remarkably resembles the nut of the buckeye tree.
For many, the first encounter with buckeye candies is a revelation. The combination of sweet, salty peanut butter and smooth, bittersweet chocolate is truly exquisite. The texture is usually soft and melt-in-your-mouth, making them highly addictive. Buckeyes have a nostalgic charm, often associated with holidays, family gatherings, and community bake sales. Their simple yet profound flavor profile has made them a cherished treat for generations.
This recipe for Rich ‘n Gooey Buckeye Brownie Bars captures that magical flavor experience, embedding the essence of a buckeye candy within a moist, fudgy brownie. It’s a creative and incredibly delicious way to enjoy the classic peanut butter chocolate pairing in a new and exciting format.

Introducing Rich ‘n Gooey Buckeye Brownie Bars
So, what makes these Rich ‘n Gooey Buckeye Brownie Bars truly special? They start with a foundation of incredibly rich, fudgy brownies, known for their dense and chewy texture. But the real star of the show is the thick, luscious peanut butter filling nestled right in the center. This filling isn’t just plain peanut butter; it’s a creamy, sweetened mixture that perfectly mimics the taste and texture of the peanut butter candy found in traditional buckeyes. We achieve this heavenly center by combining creamy peanut butter with sweetened condensed milk, resulting in a smooth, sweet, and utterly delightful layer.
To make this recipe incredibly accessible and quick, we’ve opted for a high-quality boxed brownie mix as the base. This choice significantly streamlines the baking process without sacrificing flavor or fudginess. Simply add eggs and oil to your preferred brownie mix – we highly recommend a Ghirardelli Double Chocolate Brownie Mix for its deep chocolate flavor and consistent results. The beauty of this recipe lies in its simplicity: a few basic ingredients come together to create a show-stopping dessert that tastes completely homemade.
These bars are designed for maximum indulgence. The brownies are so rich and ooey-gooey that they literally melt in your mouth, while the peanut butter layer adds a sweet, salty, and creamy contrast that is simply divine. It’s the perfect treat for any occasion, promising to impress with minimal effort.


Simple Ingredients for Amazing Buckeye Brownie Bars
One of the best aspects of these Rich ‘n Gooey Buckeye Brownie Bars is the minimal ingredient list. You’ll only need a handful of readily available items to create this spectacular dessert. This simplicity makes it a fantastic recipe for beginner bakers or anyone looking for a quick yet impressive treat.
Essential Ingredients:
- 1 Boxed Brownie Mix: Opt for a high-quality double chocolate fudge brownie mix, such as Ghirardelli Double Chocolate Fudge Brownie mix, for the best fudgy base. Alternatively, you can always make your homemade brownies from scratch if you prefer.
- Eggs: Fresh eggs are crucial for the structure and moisture of your brownies.
- Cooking Oil: Vegetable oil or melted coconut oil works perfectly to achieve that rich, moist brownie texture.
- 1 (14-ounce) Can Sweetened Condensed Milk: This is the secret to the incredibly creamy and sweet buckeye-style peanut butter filling. It provides both sweetness and a luxurious texture.
- Creamy Peanut Butter: Use your favorite creamy peanut butter for the filling. The smoother, the better, as it blends beautifully with the condensed milk. You can find options like Skippy Creamy Peanut Butter.
- Peanut Butter Chips: These are optional but highly recommended for an extra burst of peanut butter flavor and a delightful textural contrast on top. You can also use dark chocolate chips, milk chocolate chips, or semi-sweet chocolate chips for a different flavor twist.
- Optional: Sea Salt: A sprinkle of flaky sea salt on top can enhance the flavors, providing a delicious sweet and salty bite that elevates the entire experience.
Choosing good quality ingredients, especially for your brownie mix and peanut butter, will make a noticeable difference in the final taste and texture of these bars.

How to Create Your Rich ‘n Gooey Buckeye Brownie Bars
Making these decadent bars is surprisingly straightforward, even for novice bakers. Follow these simple steps to achieve perfect, mouth-watering results:
- Prepare Your Pan: Preheat your oven to 350°F (175°C). Lightly spray an 8×8-inch baking pan or baking dish with non-stick cooking spray. This ensures your brownies release easily after baking.
- Make the Peanut Butter Filling: In a medium-sized bowl, combine the sweetened condensed milk and creamy peanut butter. Whisk or stir these two ingredients together until the mixture is completely smooth and well combined. Set this luscious filling aside.
- Prepare the Brownie Batter: In a large bowl, combine your chosen brownie mix, eggs, and cooking oil (or melted coconut oil). Use an electric mixer on medium speed to beat the ingredients until they are thoroughly combined and smooth. Be careful not to overmix, as this can lead to tough brownies.
- Layer the Brownies: Spread exactly half of your prepared brownie batter evenly into the bottom of your greased baking pan. Use an offset spatula or the back of a spoon to ensure an even layer.
- Add the Peanut Butter Layer: Carefully pour and spread the creamy peanut butter mixture over the first layer of brownie batter in the pan. Distribute it evenly, but don’t worry if it’s not perfectly uniform.
- Top with More Brownie Batter and Chips: Using a teaspoon or a small scoop, drop the remaining brownie mixture in dollops over the peanut butter layer. You can gently swirl the brownie batter into the peanut butter layer with a knife for a marbled effect if desired, but it’s not strictly necessary. Finally, sprinkle the peanut butter chips (or other chocolate chips) generously over the top of the bars.
- Bake to Perfection: Place the baking pan into your preheated oven and bake for 40-45 minutes. The bars are ready when the top is set and the edges are lightly browned. Keep in mind that a toothpick test might not yield a clean result due to the super gooey peanut butter fudge layer, so look for visual cues like the set top and browned edges.
- Cool Completely: Once baked, remove the brownies from the oven and place them on a wire baking rack to cool completely. This is a crucial step! Allowing them to cool fully ensures they set properly and are easy to cut.
- Slice and Serve: After the gooey peanut butter brownies have cooled down, cut them into 16 evenly sized bars. Now they’re ready to be enjoyed!
These detailed steps will guide you to create the most decadent and delightful Rich ‘n Gooey Buckeye Brownie Bars every time. Get ready to indulge!
Tips for Success and Variations
To ensure your Rich ‘n Gooey Buckeye Brownie Bars turn out perfectly every time, consider these helpful tips:
- Don’t Overbake: Brownies are notorious for going from perfectly fudgy to dry and crumbly in just a few minutes. Keep a close eye on them during the last 10-15 minutes of baking. The edges should be set, but the center can still be slightly soft for that desired gooeyness.
- Cool Completely: Resist the urge to cut into these bars warm. The peanut butter layer needs time to set. Cooling them thoroughly, preferably for at least 2-3 hours or even chilling them in the refrigerator, will make them much easier to cut into neat bars and enhance their fudgy texture.
- Experiment with Chocolate: While peanut butter chips add an extra layer of flavor, feel free to use dark chocolate, milk chocolate, or semi-sweet chocolate chips for the topping. A mix of both can also be delightful!
- Add a Salty Touch: As mentioned, a sprinkle of flaky sea salt on top before baking or after cooling provides a fantastic contrast to the sweetness and enhances all the flavors.
- Make it Gluten-Free: If you or your guests have dietary restrictions, many excellent gluten-free brownie mixes are available that would work perfectly in this recipe.
- Homemade Brownie Option: While a boxed mix makes this recipe super easy, you can certainly use your favorite homemade brownie recipe as the base. Just ensure it yields a similar amount of batter to fit an 8×8 inch pan.
These tips will help you achieve a truly spectacular dessert that everyone will adore. Enjoy the process of creating these incredibly satisfying peanut butter and chocolate treats!

Storing Your Delicious Buckeye Brownies
Proper storage is key to keeping your Rich ‘n Gooey Buckeye Brownie Bars fresh and delicious. These bars are so good, they might not last long, but here’s how to store them if you have any leftovers:
- Room Temperature: You can store these brownie bars in an airtight container at room temperature for 2-3 days. Make sure they are tightly covered to prevent them from drying out.
- Refrigerator: For extended freshness, store the bars in an airtight container or a ziplock bag in the refrigerator for up to a week. Chilling them can also make them even chewier and fudgier, intensifying the flavors. You might want to let them come to room temperature for a few minutes before serving, or enjoy them chilled for a firm, dense treat.
- Freezer: These brownie bars freeze beautifully! Wrap individual bars tightly in plastic wrap, then place them in a freezer-safe bag or container. They can be frozen for up to 2-3 months. Thaw them at room temperature or in the refrigerator before enjoying.
No matter how you choose to store them, these Rich ‘n Gooey Buckeye Brownie Bars are sure to remain a delightful treat whenever you crave a sweet, chocolate, and peanut butter fix.



Rich ‘n Gooey Buckeye Brownie Bars offer a simple yet incredibly satisfying way to enjoy a classic flavor combination. With their delicious layers of creamy peanut butter, rich chocolate, and fudgy brownie, this special treat is sure to be a hit at your next event, potluck, or simply as a well-deserved indulgence. They are perfect for Super Bowl parties, busy weekends, holiday gatherings, or any time you need an easy-to-make dessert that delivers maximum flavor. These truly are the best!
Craving More Fudgy Desserts?
If you’re a fan of rich, decadent treats, explore some of these other fantastic recipes:
- Fudgy Chocolate Chunk Brownies
- Best Fudgy Chocolate Crinkle Cookies
- Awesome Peanut Butter Buckeye Rice Krispies
- Oreo Cookies n’ Cream Dessert
- Reese’s Peanut Butter Chocolate Fudge Cookies
- Chocolate Cherry Pistachio Rocky Road Fudge
- Easy Buckeye Fudge
- Milk Chocolate Fudge Covered Popcorn Bars
- Chocolate Fudge White Chocolate Chip Cookies – Vegan & GF Options
Rich ‘n Gooey Buckeye Bars
By Kim Lange
Pin Recipe
Ingredients
Buckeye Brownies
- 1 boxed Ghirardelli Double Chocolate Fudge Brownie mix
- 2 large eggs
- ⅓ cup cooking oil or coconut oil
- 1 14 ounce can sweetened condensed milk
- ½ cup peanut butter
- ¼ cup peanut butter chips
Instructions
- Preheat oven to 350 degrees F. Spray an 8×8 baking pan with non-stick spray; set aside.
- In a medium bowl, whisk together sweetened condensed milk and peanut butter until smooth. Set aside.
- In a large bowl, combine brownie mix, eggs, and oil and use electric mixer on medium speed until combined and mixed well.
- Spread 1/2 of the brownie mixture evenly into baking pan.
- Pour and spread peanut butter mixture on top of brownie mixture in pan.
- Using a teaspoon or small scoop, drop remaining brownie mixture on top of the peanut butter layer. You can swirl it a little if you want to. Add peanut butter chips to the top.
- Bake for 39-43 minutes or until top is set and edges are lightly browned.
- Place brownies on baking rack.
- After brownies have cooled, cut into bars. Makes 16 bars.
Looking for something fruity instead? Check out these Fruity Pebbles Ice Cream Sandwiches!







