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Desserts & Sweets / Oreo Reese’s Fudge Brownies: The Ultimate Dessert Recipe

Oreo Reese’s Fudge Brownies: The Ultimate Dessert Recipe

June 13, 2025 by adminDesserts & Sweets

Oreo Reese’s Fudge Brownies: Prepare to enter a chocolate and peanut butter paradise! Imagine sinking your teeth into a decadent, fudgy brownie, swirled with creamy peanut butter and studded with crunchy Oreo cookies. This isn’t just dessert; it’s an experience, a symphony of textures and flavors that will leave you craving more.

While the exact origins of combining Oreos, Reese’s, and brownies are shrouded in delicious mystery, the love for each individual component is undeniable. Brownies, a classic American treat, have been satisfying sweet cravings since the late 19th century. Reese’s Peanut Butter Cups, with their perfect balance of sweet and salty, have been a beloved candy since 1928. And Oreos? Well, they’re simply “Milk’s Favorite Cookie,” a global phenomenon enjoyed by millions. Bringing these three powerhouses together creates a dessert that’s greater than the sum of its parts.

People adore this particular combination because it offers the ultimate indulgence. The rich, intense chocolate of the brownie is perfectly complemented by the smooth, nutty peanut butter and the satisfying crunch of the Oreo cookies. It’s a textural masterpiece! Plus, these Oreo Reese’s Fudge Brownies are surprisingly easy to make, making them perfect for a weeknight treat or a show-stopping dessert for your next gathering. Get ready to bake up a batch of pure happiness!

Oreo Reese's Fudge Brownies this recipe

Ingredients:

  • For the Brownie Base:
    • 1 cup (2 sticks) unsalted butter, melted
    • 2 cups granulated sugar
    • 1 cup unsweetened cocoa powder
    • 1 teaspoon salt
    • 1 teaspoon baking powder
    • 1 tablespoon vanilla extract
    • 4 large eggs
    • 1 cup all-purpose flour
    • 1 cup Oreo cookies, roughly chopped
  • For the Reese’s Fudge Layer:
    • 1 cup (2 sticks) unsalted butter
    • 3 cups powdered sugar
    • 1 cup creamy peanut butter
    • 1/2 cup unsweetened cocoa powder
    • 1/4 cup milk
    • 1 teaspoon vanilla extract
    • 1 cup Reese’s Peanut Butter Cups, chopped
  • For the Oreo Crumble Topping (Optional):
    • 1/2 cup Oreo cookies, finely crushed

Preparing the Brownie Base:

  1. Preheat your oven to 350°F (175°C). Grease and flour a 9×13 inch baking pan. This will prevent the brownies from sticking and make them easy to remove later. I like to use parchment paper as well for extra insurance!
  2. In a large bowl, combine the melted butter and granulated sugar. Whisk them together until they are well combined and the mixture is smooth. This is the foundation of your brownies, so make sure it’s well mixed!
  3. Add the cocoa powder, salt, and baking powder to the butter and sugar mixture. Whisk again until everything is evenly incorporated. The cocoa powder can sometimes clump, so take your time to break up any lumps.
  4. Stir in the vanilla extract. Vanilla extract enhances the chocolate flavor and adds a touch of warmth to the brownies.
  5. Add the eggs one at a time, mixing well after each addition. Make sure each egg is fully incorporated before adding the next. This helps create a smooth and rich brownie batter.
  6. Gradually add the flour to the wet ingredients, mixing until just combined. Be careful not to overmix the batter, as this can result in tough brownies. A few streaks of flour are okay at this point.
  7. Fold in the chopped Oreo cookies. Distribute them evenly throughout the batter. The Oreos add a delicious crunch and a hint of creamy filling to the brownies.
  8. Pour the brownie batter into the prepared baking pan and spread it evenly.

Baking the Brownie Base:

  1. Bake in the preheated oven for 25-30 minutes, or until a toothpick inserted into the center comes out with moist crumbs attached. Be careful not to overbake the brownies, as they will become dry.
  2. Let the brownies cool completely in the pan before adding the fudge layer. This is important because if you add the fudge layer while the brownies are still warm, it will melt and become runny.

Preparing the Reese’s Fudge Layer:

  1. In a large bowl, cream together the butter and powdered sugar until light and fluffy. This will create a smooth and creamy base for the fudge.
  2. Add the peanut butter, cocoa powder, milk, and vanilla extract. Mix until well combined and smooth. The peanut butter and cocoa powder create a rich and decadent flavor.
  3. Fold in the chopped Reese’s Peanut Butter Cups. Distribute them evenly throughout the fudge. The Reese’s Cups add a burst of peanut butter flavor and a satisfying texture.

Assembling the Oreo Reese’s Fudge Brownies:

  1. Once the brownie base has cooled completely, spread the Reese’s fudge layer evenly over the top.
  2. If desired, sprinkle the finely crushed Oreo cookies over the fudge layer for an extra touch of Oreo flavor and texture.
  3. Refrigerate the brownies for at least 1 hour to allow the fudge layer to set. This will make them easier to cut and serve.
  4. Cut the brownies into squares and serve. Enjoy!

Tips for the Best Oreo Reese’s Fudge Brownies:

  • Use high-quality ingredients: The better the ingredients, the better the brownies will taste. Use good quality butter, cocoa powder, and chocolate for the best results.
  • Don’t overmix the batter: Overmixing the batter can result in tough brownies. Mix until just combined.
  • Don’t overbake the brownies: Overbaking the brownies can make them dry. Bake until a toothpick inserted into the center comes out with moist crumbs attached.
  • Let the brownies cool completely before adding the fudge layer: This will prevent the fudge layer from melting and becoming runny.
  • Refrigerate the brownies before cutting: This will make them easier to cut and serve.
  • Customize your brownies: Feel free to add other toppings to your brownies, such as nuts, chocolate chips, or sprinkles.
  • Storage: Store leftover brownies in an airtight container at room temperature for up to 3 days or in the refrigerator for up to 1 week.
Variations:
  • Peanut Butter Swirl: Before baking the brownie base, dollop spoonfuls of peanut butter over the batter and swirl it in with a knife.
  • Chocolate Chips: Add 1 cup of chocolate chips to the brownie batter for an extra chocolatey treat.
  • Nuts: Add 1/2 cup of chopped nuts, such as walnuts or pecans, to the brownie batter or sprinkle them on top of the fudge layer.
  • Caramel Swirl: Drizzle caramel sauce over the fudge layer before refrigerating.
  • White Chocolate Chips: Substitute white chocolate chips for the Reese’s Peanut Butter Cups in the fudge layer.
Troubleshooting:
  • Brownies are too dry: You may have overbaked the brownies. Be sure to check them frequently while baking and remove them from the oven when a toothpick inserted into the center comes out with moist crumbs attached.
  • Brownies are too fudgy: You may have underbaked the brownies. Bake them for a few more minutes until a toothpick inserted into the center comes out with moist crumbs attached.
  • Fudge layer is too runny: You may have added the fudge layer while the brownies were still warm. Let the brownies cool completely before adding the fudge layer.
  • Brownies are sticking to the pan: Be sure to grease and flour the baking pan well before adding the brownie batter. You can also line the pan with parchment paper for extra insurance.
Serving Suggestions:
  • Serve the brownies with a scoop of vanilla ice cream.
  • Drizzle the brownies with chocolate sauce or caramel sauce.
  • Sprinkle the brownies with powdered sugar.
  • Serve the brownies with a glass of milk or a cup of coffee.
Oreo Reese's Fudge Brownies

Conclusion:

And there you have it! These Oreo Reese’s Fudge Brownies are truly a decadent treat that you absolutely must try. I know, I know, I say that about a lot of recipes, but trust me on this one. The combination of the rich, fudgy brownie base, the creamy peanut butter cups, and the crunchy Oreo cookies is simply divine. It’s a symphony of textures and flavors that will have your taste buds singing. But why are these brownies a must-try? It’s more than just the sum of their delicious parts. It’s the ease of preparation, the guaranteed crowd-pleasing result, and the sheer joy of biting into a warm, gooey brownie loaded with all your favorite goodies. Forget complicated desserts that require hours in the kitchen; these brownies are relatively quick and easy to make, perfect for a weeknight treat or a weekend baking project. Plus, they’re always a hit at parties, potlucks, or any gathering where you want to impress your friends and family. Serving Suggestions and Variations: While these Oreo Reese’s Fudge Brownies are incredible on their own, there are plenty of ways to customize them to your liking. For an extra touch of indulgence, try serving them warm with a scoop of vanilla ice cream and a drizzle of chocolate sauce. Or, if you’re feeling adventurous, add a dollop of whipped cream and a sprinkle of chopped peanuts. Here are a few other variations to consider: * Peanut Butter Swirl: Before baking, swirl a generous amount of peanut butter into the brownie batter for an even more intense peanut butter flavor. * Chocolate Chips: Add a handful of chocolate chips (milk chocolate, dark chocolate, or even white chocolate) to the batter for an extra layer of chocolatey goodness. * Different Oreo Flavors: Experiment with different Oreo flavors, such as Golden Oreos, Mint Oreos, or even limited-edition flavors, to create unique and exciting variations. * Nutella Swirl: Replace the peanut butter cups with dollops of Nutella for a hazelnut twist. * Pretzel Pieces: Add some crushed pretzel pieces for a salty-sweet contrast. * Espresso Powder: A teaspoon of espresso powder added to the brownie batter will enhance the chocolate flavor and add a subtle coffee note. The possibilities are endless! Feel free to get creative and experiment with different ingredients and flavors to create your own signature version of these amazing brownies. Time to Bake! I truly hope you give this recipe a try. I’m confident that you’ll love these Oreo Reese’s Fudge Brownies as much as I do. They’re the perfect combination of comfort food and indulgence, and they’re guaranteed to satisfy your sweet tooth. Don’t be intimidated by the seemingly long list of ingredients; the process is actually quite simple, and the results are well worth the effort. Remember to follow the instructions carefully, and don’t be afraid to experiment with different variations to find your perfect brownie. And most importantly, have fun! Baking should be a joyful and relaxing experience, so put on some music, pour yourself a cup of coffee, and enjoy the process of creating something delicious. Once you’ve made these brownies, I would absolutely love to hear about your experience. Did you try any of the variations I suggested? Did you add any of your own special touches? What did your friends and family think? Share your photos and stories in the comments below! I can’t wait to see what you create. Happy baking, and enjoy your delicious Oreo Reese’s Fudge Brownies! Print
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Oreo Reese’s Fudge Brownies: The Ultimate Dessert Recipe


  • Total Time: 105 minutes
  • Yield: 16–24 brownies 1x
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Description

Rich brownie base topped with creamy Reese’s fudge and optional Oreo crumble. Perfect for chocolate and peanut butter lovers!


Ingredients

Scale
  • 1 cup (2 sticks) unsalted butter, melted
  • 2 cups granulated sugar
  • 1 cup unsweetened cocoa powder
  • 1 teaspoon salt
  • 1 teaspoon baking powder
  • 1 tablespoon vanilla extract
  • 4 large eggs
  • 1 cup all-purpose flour
  • 1 cup Oreo cookies, roughly chopped
  • 1 cup (2 sticks) unsalted butter
  • 3 cups powdered sugar
  • 1 cup creamy peanut butter
  • 1/2 cup unsweetened cocoa powder
  • 1/4 cup milk
  • 1 teaspoon vanilla extract
  • 1 cup Reese’s Peanut Butter Cups, chopped
  • 1/2 cup Oreo cookies, finely crushed

Instructions

  1. Prepare the Brownie Base: Preheat oven to 350°F (175°C). Grease and flour a 9×13 inch baking pan (or line with parchment paper).
  2. In a large bowl, combine melted butter and granulated sugar. Whisk until smooth.
  3. Add cocoa powder, salt, and baking powder. Whisk until evenly incorporated, breaking up any lumps.
  4. Stir in vanilla extract.
  5. Add eggs one at a time, mixing well after each addition.
  6. Gradually add flour, mixing until just combined. Be careful not to overmix.
  7. Fold in chopped Oreo cookies.
  8. Pour batter into the prepared pan and spread evenly.
  9. Bake the Brownie Base: Bake for 25-30 minutes, or until a toothpick inserted into the center comes out with moist crumbs attached.
  10. Let the brownies cool completely in the pan.
  11. Prepare the Reese’s Fudge Layer: In a large bowl, cream together butter and powdered sugar until light and fluffy.
  12. Add peanut butter, cocoa powder, milk, and vanilla extract. Mix until well combined and smooth.
  13. Fold in chopped Reese’s Peanut Butter Cups.
  14. Assemble the Oreo Reese’s Fudge Brownies: Once the brownie base has cooled completely, spread the Reese’s fudge layer evenly over the top.
  15. If desired, sprinkle the finely crushed Oreo cookies over the fudge layer.
  16. Refrigerate the brownies for at least 1 hour to allow the fudge layer to set.
  17. Cut into squares and serve. Enjoy!

Notes

  • Use high-quality ingredients for the best flavor.
  • Don’t overmix the brownie batter.
  • Don’t overbake the brownies.
  • Let the brownies cool completely before adding the fudge layer to prevent melting.
  • Refrigerate the brownies before cutting for cleaner slices.
  • Customize with other toppings like nuts, chocolate chips, or sprinkles.
  • Storage: Store leftover brownies in an airtight container at room temperature for up to 3 days or in the refrigerator for up to 1 week.
  • Variations:
    • Peanut Butter Swirl: Dollop peanut butter over the brownie batter and swirl it in before baking.
    • Chocolate Chips: Add 1 cup of chocolate chips to the brownie batter.
    • Nuts: Add 1/2 cup of chopped nuts to the brownie batter or sprinkle on top of the fudge layer.
    • Caramel Swirl: Drizzle caramel sauce over the fudge layer before refrigerating.
    • White Chocolate Chips: Substitute white chocolate chips for the Reese’s Peanut Butter Cups in the fudge layer.
  • Troubleshooting:
    • Brownies are too dry: You may have overbaked the brownies.
    • Brownies are too fudgy: You may have underbaked the brownies.
    • Fudge layer is too runny: You may have added the fudge layer while the brownies were still warm.
    • Brownies are sticking to the pan: Be sure to grease and flour the baking pan well before adding the brownie batter.
  • Serving Suggestions:
    • Serve the brownies with a scoop of vanilla ice cream.
    • Drizzle the brownies with chocolate sauce or caramel sauce.
    • Sprinkle the brownies with powdered sugar.
    • Serve the brownies with a glass of milk or a cup of coffee.
  • Prep Time: 20 minutes
  • Cook Time: 25 minutes

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