Ultimate Slutty Brownies

Posted on April 15, 2026

Ultimate slutty brownies with layers of cookie dough, Oreos, and rich brownie mix

Difficulty

Prep time

Cooking time

Total time

Servings

Why Make This Recipe

Ultimate Slutty Brownies are the perfect dessert for anyone who craves something sweet and indulgent. They combine delicious layers of cookie dough, creamy Oreo cookies, and rich brownie batter for a treat that is sure to satisfy any sweet tooth. Not only are they fun to make, but they are also a hit at parties and gatherings. Your friends and family will love these decadent brownies!

How to Make Ultimate Slutty Brownies

Ingredients

  • 0.5 cup butter, softened (for cookie layer)
  • 0.5 cup butter, melted (for brownie layer)
  • 1 cup granulated sugar
  • 0.75 cup brown sugar
  • 3 eggs
  • 1 tsp vanilla extract
  • 1 cup all-purpose flour (for cookie dough)
  • 0.75 cup all-purpose flour (for brownie batter)
  • 0.33 cup cocoa powder
  • 1 cup chocolate chips
  • 16 Oreo cookies
  • 0.5 tsp baking soda
  • 0.5 tsp sea salt (plus extra for topping)

Directions

  1. Preheat your oven to 350°F (175°C). Line an 8×8-inch metal baking pan with parchment paper.
  2. Make the cookie dough by creaming softened butter, brown sugar, and 1/2 cup granulated sugar until smooth. Mix in one egg and vanilla extract.
  3. Stir in flour, baking soda, sea salt, and chocolate chips to form a thick cookie dough.
  4. Press the cookie dough evenly into the bottom of the prepared baking pan.
  5. Arrange the Oreo cookies in a tight single layer over the cookie dough.
  6. Prepare the brownie batter by whisking melted butter, remaining sugar, and eggs until smooth. Stir in vanilla, cocoa powder, and remaining flour.
  7. Pour the brownie batter over the Oreo layer and spread it evenly.
  8. Bake for 30–35 minutes until the top is set but the center remains slightly fudgy.
  9. Sprinkle with flaky sea salt and allow to cool completely in the pan for about 3 hours before slicing into 16 squares.

How to Serve Ultimate Slutty Brownies

Ultimate Slutty Brownies are best served warm or at room temperature. You can enjoy them on their own, or pair them with a scoop of vanilla ice cream for a delightful dessert. For extra flair, drizzle with chocolate or caramel sauce!

How to Store Ultimate Slutty Brownies

Store your Ultimate Slutty Brownies in an airtight container at room temperature for up to 4-5 days. If you want them to last longer, you can freeze them. Wrap the brownies tightly in plastic wrap and place them in a freezer-safe container. They will keep well for up to 2-3 months in the freezer.

Tips to Make Ultimate Slutty Brownies

  • Make sure to use softened butter for the cookie layer to create a creamy texture.
  • Press the cookie layer down firmly to ensure it holds up under the weight of the Oreos and brownie batter.
  • Allow the brownies to cool completely before cutting; this will help them set and make slicing easier.

Variation

If you want to switch things up, try using different types of cookies in place of the Oreos. Thin Mints or chocolate chip cookies also work great as tasty alternatives!

FAQs

1. Can I make these brownies in a larger size?
Yes! You can double the recipe and bake it in a larger pan, like a 9×13-inch. Just adjust the baking time accordingly.

2. Do I have to use Oreos in this recipe?
While Oreos are the traditional choice, you can use any sandwich cookie you like!

3. Can I add nuts to the brownie layer?
Absolutely! Chopped nuts can be added to the brownie layer for an extra crunch if you like. Just make sure to account for the additional volume they add.

Ultimate Slutty Brownies

Ultimate Slutty Brownies combine layers of cookie dough, Oreos, and rich brownie batter for a decadent dessert that satisfies sweet cravings.
Prep Time 30 minutes
Cook Time 35 minutes
Total Time 3 hours
Servings: 16 squares
Course: Dessert
Cuisine: American
Calories: 250

Ingredients
  

For the Cookie Layer
  • 0.5 cup butter, softened Use softened butter for best texture.
  • 1 cup granulated sugar
  • 0.75 cup brown sugar
  • 1 egg Add one egg to the mixture.
  • 1 tsp vanilla extract
  • 1 cup all-purpose flour
  • 0.5 tsp baking soda
  • 0.5 tsp sea salt Plus extra for topping.
  • 1 cup chocolate chips
For the Brownie Layer
  • 0.5 cup butter, melted
  • 0.75 cup all-purpose flour
  • 0.33 cup cocoa powder
  • 3 eggs Use the remaining eggs for the brownie batter.
  • 16 cookies Oreo cookies Arrange in a single layer.

Method
 

Preparation
  1. Preheat your oven to 350°F (175°C). Line an 8×8-inch metal baking pan with parchment paper.
  2. Make the cookie dough by creaming softened butter, brown sugar, and 1/2 cup granulated sugar until smooth.
  3. Mix in one egg and the vanilla extract.
  4. Stir in flour, baking soda, sea salt, and chocolate chips to form a thick cookie dough.
  5. Press the cookie dough evenly into the bottom of the prepared baking pan.
  6. Arrange the Oreo cookies in a tight single layer over the cookie dough.
Cooking
  1. Prepare the brownie batter by whisking melted butter, remaining sugar, and eggs until smooth.
  2. Stir in vanilla, cocoa powder, and remaining flour.
  3. Pour the brownie batter over the Oreo layer and spread it evenly.
  4. Bake for 30–35 minutes until the top is set but the center remains slightly fudgy.
  5. Sprinkle with flaky sea salt and allow to cool completely in the pan for about 3 hours before slicing into 16 squares.

Notes

Store in an airtight container at room temperature for up to 4-5 days; they can also be frozen.

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