When it comes to indulgent desserts, slutty brownies are a game changer. Imagine sinking your teeth into a warm, fudgy brownie topped with a crisp layer of Oreo cookies and a chewy chocolate chip cookie base. Each bite offers a perfect combination of textures—chewy, soft, crunchy, and rich—making this dessert one of the most decadent treats you will ever taste.
PrintSlutty Brownies: A Decadent, Over-the-Top Treat
When it comes to indulgent desserts, slutty brownies are a game changer. Imagine sinking your teeth into a warm, fudgy brownie topped with a crisp layer of Oreo cookies and a chewy chocolate chip cookie base. Each bite offers a perfect combination of textures—chewy, soft, crunchy, and rich—making this dessert one of the most decadent treats you will ever taste.
- Prep Time: 30 minutes
- Cook Time: 50 minutes
- Total Time: 1 hour 20 minutes (including cooling)
- Yield: 18 slices
- Category: Dessert, Bars
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
Chocolate Chip Cookie Layer
The foundation of slutty brownies is a chewy, rich chocolate chip cookie base. Here’s what you’ll need:
- Unsalted butter (168 grams or 3/4 cup), softened
- Brown sugar (105 grams or 1/2 cup), packed
- White sugar (100 grams or 1/2 cup)
- Egg (1 large)
- Egg yolk (1 large, discard the white)
- Vanilla extract (1 teaspoon)
- All-purpose flour (188 grams or 1 1/2 cups)
- Salt (1/4 teaspoon)
- Chocolate chips (120 grams or 2/3 cup)
This cookie dough forms the base of the dessert, offering a sweet, buttery, and soft foundation that complements the layers above.
Oreo Layer
The next layer is what makes slutty brownies stand out. We’re talking about 28 Oreo cookies, which are laid over the cookie dough to add that iconic crunch. Oreos are the perfect choice for this layer because their sweet, chocolatey flavor and crunchy texture hold up well when baked. The combination of cookies and cream with a gooey brownie on top is truly magical.
Brownie Layer
The final layer of these decadent bars is a fudgy brownie that ties everything together. For the brownie batter, you’ll need the following:
- Unsalted butter (112 grams or 1/2 cup), cubed
- Dark chocolate (170 grams or 6 oz), preferably 50-70% cocoa or semi-sweet
- Granulated sugar (200 grams or 1 cup)
- Eggs (2 large)
- All-purpose flour (63 grams or 1/2 cup)
- Cocoa powder (23 grams or 1/4 cup)
- Salt (1/2 teaspoon)
This brownie batter, made from scratch, is rich and gooey. The dark chocolate gives it a deep flavor that perfectly balances the sweetness of the cookie dough and Oreos.
Instructions
Step 1: Preheat the Oven
Preheat your oven to 350°F (180°C) and prepare your baking pan. Grease a 9×13 inch pan and line it with parchment paper, leaving an overhang for easy removal. This step ensures your brownies don’t stick to the pan and makes cleanup a breeze.
Step 2: Prepare the Chocolate Chip Cookie Layer
Start by making the chocolate chip cookie dough. In a large mixing bowl, beat together butter, brown sugar, and granulated sugar until smooth. Once combined, add the egg, egg yolk, and vanilla extract, mixing until the dough is light and fluffy.
Next, add flour and salt to the dough, and mix until incorporated. Once the dough comes together, gently fold in the chocolate chips. This will create that perfect cookie dough texture—soft, thick, and sweet.
Spoon the cookie dough into your prepared pan and spread it out evenly, pressing it down with a spatula to create a smooth and even layer.
Step 3: Add the Oreo Layer
Place the Oreo cookies on top of the chocolate chip cookie dough layer, pressing them down gently. Arrange the cookies in rows, covering the entire surface. Don’t be afraid to overlap them slightly to ensure the entire layer is covered. The Oreos will provide a crunchy contrast to the soft cookie dough and brownie layers.
Step 4: Make the Brownie Batter
For the brownie layer, start by melting the butter and dark chocolate together in a microwave-safe bowl. Microwave on medium power in 45-second intervals, stirring between each one until smooth and melted. Once melted, let the mixture cool for about 5 minutes.
Next, whisk in the eggs and sugar until smooth and combined. Sift the flour, cocoa powder, and salt together to avoid any lumps, then whisk them into the wet ingredients until fully incorporated.
Step 5: Assemble and Bake the Brownies
Spoon the brownie batter on top of the Oreo layer, dropping spoonfuls across the pan. Then, spread it evenly to cover the entire surface, being careful not to disturb the Oreo layer beneath. Bake the brownies in the preheated oven for 37-45 minutes. Check for doneness by inserting a toothpick into the center—if it comes out clean or with a few moist crumbs, they’re ready.
The baking time may vary depending on your oven and how gooey you prefer your brownies. For extra fudgy brownies, err on the side of underbaking. For a more cake-like texture, bake a little longer.
Step 6: Cool and Slice the Brownies
Once baked, remove the brownies from the oven and let them cool completely. The cooling process is important to ensure that the brownies set and slice easily. For best results, let them cool at room temperature for at least 4 hours before lifting them out of the pan using the parchment paper overhang. Transfer to a cutting board and slice into 12-16 bars, depending on your preferred serving size.
Step 7: Enjoy
These slutty brownies can be enjoyed warm, at room temperature, or even cold. The chewy cookie dough, crunchy Oreos, and fudgy brownie come together to create the ultimate dessert experience. If you’re feeling extra indulgent, you can drizzle some warm caramel sauce over the top or serve with a scoop of vanilla ice cream for an over-the-top treat.
Notes
- Use quality chocolate: The dark chocolate in the brownie layer is a key ingredient that contributes to the rich flavor of these brownies. Avoid using chocolate chips here, as they don’t melt as smoothly as a bar of chocolate.
- Let the brownies cool completely: This ensures they slice neatly without falling apart. Patience is key for perfect slutty brownies!
- Experiment with flavors: Feel free to swap the Oreos with other cookies like Golden Oreos or Peanut Butter Cups for a fun twist on the traditional recipe.
- Make ahead: These brownies can be made a day or two in advance and stored in an airtight container at room temperature. The flavors only improve over time!
Slutty brownies are the ultimate indulgence for anyone with a sweet tooth. These bars are a crowd favorite, perfect for everything from family gatherings and bake sales to parties or just when you need to treat yourself. The combination of three beloved desserts—chocolate chip cookies, Oreos, and brownies—into one glorious treat makes them irresistible. If you’ve never tried making slutty brownies from scratch, you’re in for a treat!
A Breakdown of the Ingredients
This recipe calls for basic baking ingredients that you likely already have in your pantry, but the magic lies in the way they come together. Each layer plays a crucial role in creating the irresistible flavor and texture of the slutty brownies. Let’s go through each of the components that make this dessert stand out.
Chocolate Chip Cookie Layer
The foundation of slutty brownies is a chewy, rich chocolate chip cookie base. Here’s what you’ll need:
- Unsalted butter (168 grams or 3/4 cup), softened
- Brown sugar (105 grams or 1/2 cup), packed
- White sugar (100 grams or 1/2 cup)
- Egg (1 large)
- Egg yolk (1 large, discard the white)
- Vanilla extract (1 teaspoon)
- All-purpose flour (188 grams or 1 1/2 cups)
- Salt (1/4 teaspoon)
- Chocolate chips (120 grams or 2/3 cup)
This cookie dough forms the base of the dessert, offering a sweet, buttery, and soft foundation that complements the layers above.
Oreo Layer
The next layer is what makes slutty brownies stand out. We’re talking about 28 Oreo cookies, which are laid over the cookie dough to add that iconic crunch. Oreos are the perfect choice for this layer because their sweet, chocolatey flavor and crunchy texture hold up well when baked. The combination of cookies and cream with a gooey brownie on top is truly magical.
Brownie Layer
The final layer of these decadent bars is a fudgy brownie that ties everything together. For the brownie batter, you’ll need the following:
- Unsalted butter (112 grams or 1/2 cup), cubed
- Dark chocolate (170 grams or 6 oz), preferably 50-70% cocoa or semi-sweet
- Granulated sugar (200 grams or 1 cup)
- Eggs (2 large)
- All-purpose flour (63 grams or 1/2 cup)
- Cocoa powder (23 grams or 1/4 cup)
- Salt (1/2 teaspoon)
This brownie batter, made from scratch, is rich and gooey. The dark chocolate gives it a deep flavor that perfectly balances the sweetness of the cookie dough and Oreos.
Key Tools for Success
To make sure everything comes together perfectly, you’ll need the following tools:
- A 9×13 inch baking pan (or 8×8 inch if halving the recipe)
- Parchment paper (to line the pan for easy removal)
- A hand mixer or stand mixer (for beating the cookie dough)
- A rubber spatula or wooden spoon (to mix the dough and batter)
- A microwave-safe bowl for melting the butter and chocolate
- A measuring cup and spoons for accurate measurements
Step-by-Step Instructions
Now that you’re familiar with the ingredients, let’s dive into how to prepare these indulgent slutty brownies from scratch. While the process takes about 1 hour and 20 minutes, most of that time is spent baking and cooling, making it an easy and straightforward recipe to follow.
Step 1: Preheat the Oven
Preheat your oven to 350°F (180°C) and prepare your baking pan. Grease a 9×13 inch pan and line it with parchment paper, leaving an overhang for easy removal. This step ensures your brownies don’t stick to the pan and makes cleanup a breeze.
Step 2: Prepare the Chocolate Chip Cookie Layer
Start by making the chocolate chip cookie dough. In a large mixing bowl, beat together butter, brown sugar, and granulated sugar until smooth. Once combined, add the egg, egg yolk, and vanilla extract, mixing until the dough is light and fluffy.
Next, add flour and salt to the dough, and mix until incorporated. Once the dough comes together, gently fold in the chocolate chips. This will create that perfect cookie dough texture—soft, thick, and sweet.
Spoon the cookie dough into your prepared pan and spread it out evenly, pressing it down with a spatula to create a smooth and even layer.
Step 3: Add the Oreo Layer
Place the Oreo cookies on top of the chocolate chip cookie dough layer, pressing them down gently. Arrange the cookies in rows, covering the entire surface. Don’t be afraid to overlap them slightly to ensure the entire layer is covered. The Oreos will provide a crunchy contrast to the soft cookie dough and brownie layers.
Step 4: Make the Brownie Batter
For the brownie layer, start by melting the butter and dark chocolate together in a microwave-safe bowl. Microwave on medium power in 45-second intervals, stirring between each one until smooth and melted. Once melted, let the mixture cool for about 5 minutes.
Next, whisk in the eggs and sugar until smooth and combined. Sift the flour, cocoa powder, and salt together to avoid any lumps, then whisk them into the wet ingredients until fully incorporated.
Step 5: Assemble and Bake the Brownies
Spoon the brownie batter on top of the Oreo layer, dropping spoonfuls across the pan. Then, spread it evenly to cover the entire surface, being careful not to disturb the Oreo layer beneath. Bake the brownies in the preheated oven for 37-45 minutes. Check for doneness by inserting a toothpick into the center—if it comes out clean or with a few moist crumbs, they’re ready.
The baking time may vary depending on your oven and how gooey you prefer your brownies. For extra fudgy brownies, err on the side of underbaking. For a more cake-like texture, bake a little longer.
Step 6: Cool and Slice the Brownies
Once baked, remove the brownies from the oven and let them cool completely. The cooling process is important to ensure that the brownies set and slice easily. For best results, let them cool at room temperature for at least 4 hours before lifting them out of the pan using the parchment paper overhang. Transfer to a cutting board and slice into 12-16 bars, depending on your preferred serving size.
Step 7: Enjoy
These slutty brownies can be enjoyed warm, at room temperature, or even cold. The chewy cookie dough, crunchy Oreos, and fudgy brownie come together to create the ultimate dessert experience. If you’re feeling extra indulgent, you can drizzle some warm caramel sauce over the top or serve with a scoop of vanilla ice cream for an over-the-top treat.
Tips for Success
- Use quality chocolate: The dark chocolate in the brownie layer is a key ingredient that contributes to the rich flavor of these brownies. Avoid using chocolate chips here, as they don’t melt as smoothly as a bar of chocolate.
- Let the brownies cool completely: This ensures they slice neatly without falling apart. Patience is key for perfect slutty brownies!
- Experiment with flavors: Feel free to swap the Oreos with other cookies like Golden Oreos or Peanut Butter Cups for a fun twist on the traditional recipe.
- Make ahead: These brownies can be made a day or two in advance and stored in an airtight container at room temperature. The flavors only improve over time!
Variations
While the classic combination of chocolate chip cookies, Oreos, and brownies is unbeatable, you can get creative and make variations based on your preferences. Try adding peanut butter chips, toffee bits, or chopped nuts to the brownie layer for added crunch. For a holiday twist, use mint Oreos or even layer in some peppermint extract for a festive flavor. You can also make these brownies gluten-free by using a gluten-free flour blend.

Final Thoughts
Slutty brownies are a show-stopping dessert that combines everything you love about cookies and brownies in one decadent treat. This recipe, from scratch, is perfect for any occasion, whether it’s a casual get-together or a special event. The combination of textures—from the chewy cookie layer to the crunchy Oreos and fudgy brownie—is irresistible. These brownies are rich, indulgent, and guaranteed to be a hit wherever they’re served. So, gather your ingredients, preheat your oven, and get ready to indulge in the most over-the-top dessert you’ll ever try!