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These slutty brownies are a mouthwatering dessert, with layers of chocolate chip cookie, Oreo cookies, and then a rich, fudgy brownie topping. Each bite offers a decadent chocolate treat, making them perfect for parties, holidays, or whenever you need an impressive dessert.

“These brownies have ALL of the chocolate favorites in one bite!”
-Becky
One of the best things about slutty brownies is that they can be customized with a variety of flavors. The brownies, Oreos, and even the cookie dough, can all be swapped for different flavors, so you can make multiple slutty brownie combinations.
If you are looking for more easy recipes, try these Cute and Easy Lego Brownies, Red Velvet Cake Mix Cookies, Oreo Popcorn, or this simple 4 Ingredient Cherry Dump Cake.
Why are they called slutty brownies?
The name comes from the the fact that the brownies are so rich and decadent, that it seems a bit “naughty” to eat them. If you prefer to call them something else, you can call them naughty brownies, dirty brownies, heavenly brownies, or sinful brownies. No matter what you call them, they are going to be a family favorite dessert!
Ingredients You Will Need

- pre-made chocolate chip cookie dough-pre-made cookie dough is one of the base layers to this recipes. You can make your own dough, but pre-packaged dough makes this recipe even easier.
- chocolate sandwich cookies-Classic Oreo cookies used for adding a sweet and crunchy layer to this dessert.
- box of brownie mix- A dry box brownie mix, another base layer to this recipe.
- unsalted butter, melted-adds moisture and richness to slutty brownies.
- eggs-acts as a binding agent and provides structure to baked goods like the brownies.
- brewed coffee, cooled-Freshly brewed coffee that’s cooled to room temperature, enhances chocolate flavor. If you don’t like coffee, don’t worry! You don’t taste it in the mixture, but you can also substitute water or milk.
Variations
- Make them Festive: Use seasonal Oreo cookies to add color and make them special for holidays. You can also have holiday sprinkles into the dough for extra color.
- Add Peanut Butter to the Chocolate: Spread creamy peanut butter in between the layers, or use peanut butter filled Oreo cookies. You can also make Peanut Butter Chocolate Chip cookie Dough for your base.
- Drizzle with Caramel: Drizzle salted caramel sauce over the brownies and then top with crushed Oreos for a beautiful caramel and cookie finish.
- Use a Round Baking Pan: If you don’t have a rectangle pan, use an 8 or 9 inch baking pan to make this recipe. You can still cut them into small pieces, or slice them into slivers like a pie.
How to Make Slutty Brownies

- Preheat the oven to 350 degrees F and spray the bottom of an 8×8 or 9×9 baking dish with nonstick cooking spray. Press the cookie dough into the dish in an even layer.

- Press Oreo cookies into the chocolate chip cookie dough and set aside.

- In a large bowl, whisk together the brownie mix, butter, eggs and coffee, then pour the brownie mix over the Oreo layer.

- Bake in the oven for 35-40 minutes or until a toothpick inserted into the center comes out clean. Remove from the oven and allow the brownies to cool completely in the baking dish before slicing into 9 equal squares and serving.
Optional: Top with chocolate chips or crumbled cookies as an extra topping. For a richer dessert, top with a scoop of vanilla ice cream.

Expert Tips
- Bake in the middle of your oven: Place your baking dish in the center of your oven, on the center rack, for an even bake.
- Choose the Right Pan: Use an 8×8 or 9×9-inch pan for thick, gooey brownies, or a 9×13-inch pan for thinner layers. Line it with parchment paper for easy removal.
- Chill the dough before topping each layer: Refrigerate the cookie dough layer for 10–15 minutes before adding the Oreos and brownie batter. This prevents the layers from mixing too much during baking.
FAQ’S
If you have leftovers from this slutty brownies recipe, you can store them on the counter for 1-2 days, or store them in an airtight container and keep them in the refrigerator for up to a week.
Yes! These brownies can be made ahead of time and frozen so you can bring them out whenever you like. After baking and cooling, slice and wrap individual brownies in plastic wrap or foil. Then place all of the brownies into a resealable plastic bag.
More Easy Dessert Recipes
Desserts
Chocolate Peanut Butter Cake
Holidays
Halloween Rice Krispie Treats
Breakfast
Homemade Cinnamon Rolls
Desserts
Caramel Popcorn
If you have tried this recipe or any others from Celebrating Simply, I’d love it if you would leave a ⭐ star rating and share your thoughts in the ✍️ comments below. Your feedback means a lot!
Slutty Brownies

Equipment
- 8×8 baking dish
- Mixing Bowl
Ingredients
- 16 1/2 ounces premade chocolate chip cookie dough
- 16 Oreo cookies
- 16.3 ounce box brownie mix
- 1/2 cup unsalted butter, melted
- 2 large eggs
- 2 tablespoons brewed coffee, or water or milk
Instructions
- Preheat the oven to 350 degrees F and spray the bottom of an 8×8 baking dish with nonstick cooking spray.
- Press the cookie dough into the dish in an even layer.
- Press Oreo cookies into the chocolate chip cookie dough and set aside.
- In a large bowl, whisk together the brownie mix, butter, eggs and coffee, then pour the brownie mix over the Oreo layer.
- Bake in the oven for 45-55 minutes or until a toothpick inserted into the center comes out clean.
- Remove from oven and allow the brownies to cool completely in the baking dish before slicing into 9 equal squares and serving.
Optional: Top with chocolate chips or crumbled cookies as an extra topping. For a richer dessert, top with a scoop of vanilla ice cream.
Notes
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.


















These brownies have all of my favorites in each bite! They are insanely delicious!