The Best Slutty Brownies

Make triple-threat Slutty Brownies with layers of fudgy chocolate brownies and crunchy Oreos baked on top of a chewy chocolate chip cookie.

Looking for more scandalizing, indulgent desserts? Try these Slutty Cheesecake Bars and Slutty Brookie Poke Cake

Two slutty brownies stacked on a parchment-lined wooden platter, next to Oreo cookies.

The Best Homemade Slutty Brownies Recipe

Indulgent. Outrageous. Scandalous. Decadent. However you describe this slutty brownie recipe, one thing’s for sure: these gooey, fudgy, three-layer brownies are the ultimate homemade dessert bars.

These fudgy brownies consist of an irresistible mash-up of three all-time classic desserts: a chewy chocolate chip cookie, crunchy Oreo cookies, and a thick layer of warm chocolate brownies. The result is a rich and chocolatey triple-layer dessert bar that’s borderline obscene – in the best way, of course.

Slutty brownie bars on a parchment-lined wire rack.

What Are Slutty Brownies?

If you’re thinking that “slutty” is a questionable name for a dessert, you’re probably not the only one. This popular brownie is originally credited to a blog named Kevin & Amanda, which published the original recipe for Cookie Dough Oreo Brownies in 2011. No salacious names, there!

The internet later renamed these triple-decker brownies “Slutty Brownies”. The attention-grabbing rebrand made the recipe go viral, becoming a favorite dessert of bloggers and celebrities alike.

What led them to be called slutty brownies? Well, to quote Jessica Simpson on the Jay Leno Show, “I guess a lot goes into them”. Ahem. 

Don’t let the scandalous name detract from the deliciousness of these brownies, though. They’re seriously incredible!

The ingredients for slutty brownies.

Ingredients You’ll Need

Many of the ingredients for these slutty brownies crossover between the cookie dough and brownie layers. Below is an overview of what you’ll need, and be sure to scroll to the recipe card for the full amounts.

  • Flour – You can use the same all-purpose flour that you use in the cookie dough to make the brownie batter.
  • Butter – Remember to take the butter out of the fridge beforehand to let it soften up. Use unsalted butter, or, if you use salted butter, consider leaving out any added salt that comes later in the recipe.
  • Sugar – You’ll need both white sugar and brown sugar for the perfect balance of sweetness and moisture in the cookie dough, as well as in the chocolate brownies.
  • Egg – Eggs help to bind the ingredients together.
  • Baking Soda and Salt – For leavening.
  • Vanilla – For the best flavor, use pure vanilla extract.
  • Cocoa Powder – Use a high-quality regular or dark cocoa powder when making the brownies.
  • Chocolate Chips – Fill the cookie dough layer with semi-sweet or dark chocolate chips.
  • Oreo Cookies – You’ll need about 20 Oreo cookies for layering in between the cookie dough and brownie layers. You can use regular or Double Stuf Oreos.

Can I Use Brownie Mix Instead?

Absolutely. If you’re in a pinch, you can make the brownie layer using your favorite boxed brownie mix instead. Just be sure to pick up any ingredients you’ll need to make the brownies as listed on the box. You can even make the chocolate chip cookie layer with store-bought refrigerated cookie dough, too!

How to Make Slutty Brownies

There’s some serious chocolate going on in these brownies. They’re also so easy to make:

Making the Chocolate Chip Cookie Dough Layer

You’ll start by whipping up a quick batch of chocolate chip cookie dough:

  • Mix the dry and wet ingredients separately. Begin by whisking together the dry ingredients. In a separate bowl, beat the butter and both sugars until fluffy, then mix in the egg and vanilla.
  • Combine. Next, combine the ingredients, and fold in the chocolate chips. Afterward, press the cookie dough into the bottom of a 9×9-inch pan lined with parchment paper.
  • Add Oreos. Arrange the Oreo cookies in a single layer over top of the cookie dough.

Making the Chocolate Brownie Layer

Next, it’s time to prepare an easy brownie batter, and then get these brownies into the oven!

  • Make the brownie batter. Mix the dry ingredients and wet ingredients separately, then sift the dry into the wet ingredients before stirring to combine.
  • Add to the pan. Spread the brownie batter over the layer of Oreos.
  • Bake. Bake your slutty brownies at 350ºF for 40-45 minutes. Check that the brownies are done by sticking a toothpick into the middle of the pan. If the toothpick comes out clean, they’re ready to come out. Let the cookies cool completely before cutting them into squares.

Can I make these brownies ahead of time?

Yes! You can prepare and bake these brownies up to 2 days ahead, and keep them stored airtight at room temperature. See below for more brownie storage tips.

Assorted slutty brownies cut into squares on a parchment-lined wire rack.

Tips for Success

Here are some additional tips for the ultimate chocolate chip cookie brownies:

  • Can I use a different-sized pan? You can, but know that using a larger size, like a 9×13-inch baking pan, will yield thinner bars and may require a shorter baking time.
  • For the fudgiest flavor in your brownies, use dark chocolate cocoa powder. Using sweetened cocoa powder may result in overly-sweet brownies.
  • It’s best to store brownies at room temperature, and not in the fridge. Brownies stored in the fridge have a tendency to dry out faster and become crumbly.
Close up of a slutty brownie on a parchment-lined wooden platter.

Variation Ideas

Try these fun and easy ways to change up the flavors in your slutty brownies:

Two slutty brownies stacked on a parchment-lined wooden platter, next to Oreo cookies.

Serving Suggestions

Slutty brownies are so easy to make and they’re always a hit at potlucks and parties. Try these fun and easy ways to serve homemade brownies: 

  • Warm with ice cream. A few seconds in the microwave is all it takes to turn these chocolate brownies into an ooey-gooey treat, perfect for topping with a scoop of vanilla ice cream. (Or, try this Homemade Salted Caramel Ice Cream!)
  • Drizzled with chocolate sauce. Give your brownies a generous drizzle of Homemade Chocolate Sauce or Caramel Sauce.
  • Make a brownie sundae. Combine both of the ideas above into a decadent brownie sundae, complete with ice cream, whipped cream, chocolate sauce, and a cherry!
Three slutty brownies stacked on a parchment-lined wooden platter, next to Oreo cookies.

How to Store Slutty Brownies

To keep these slutty brownies soft and chewy, store them at room temperature, either tightly wrapped in plastic wrap or sealed inside an airtight container.

Can I Freeze These?

Yes, you can! Slutty brownies freeze well. Simply wrap them airtight and store them frozen for up to 3 months. Thaw the brownies in the fridge before serving.

Looking for more chocolate desserts and easy brownie recipes? Check out the recipe finder!

The Best Slutty Brownies

Slutty Brownies are an indulgent triple-decker dessert bar made from layers of fudgy brownies and crunchy Oreos, baked over a rich and chewy chocolate chip cookie.
Prep Time15 mins
Cook Time40 mins
Total Time55 mins
Course: Dessert
Cuisine: American
Keyword: chocolate chip cookie brownies, oreo brownies, slutty brownie recipe
Servings: 16 servings
Author: Smackeral

Ingredients

Chocolate Chip Cookie Dough layer:

  • 1 ½ cups all-purpose flour
  • ½ cup unsalted butter softened
  • ½ cup brown sugar
  • ¼ cup white sugar
  • 1 large egg
  • ½ tsp baking soda
  • ¼ tsp salt
  • 1 tsp vanilla extract
  • 1 cup chocolate chips

Oreo layer:

  • 20 Oreo cookies

Brownie layer:

  • ½ cup all-purpose flour
  • cup cocoa powder
  • ¾ cup unsalted butter softened
  • ½ cup brown sugar
  • ½ cup white sugar
  • 2 eggs
  • ½ tsp baking powder
  • 1 tsp vanilla extract
  • ½ tsp salt

Instructions

  • Line the bottom and sides of a 9×9-inch baking pan with parchment paper. Preheat the oven to 350F.

For the Chocolate Chip Cookie Dough Layer

  • In a medium bowl, mix together flour, salt, and baking soda. In a large bowl, beat together softened butter with both types of sugar until light and fluffy. Add egg and vanilla extract, and beat again.
  • Add dry ingredients to wet ingredients and form cookie dough. Add chocolate chips and mix again. Press the dough into the bottom of the prepared baking pan.

For the Oreo Layer

  • Spread the Oreos over the cookie dough layer. Breaking some cookies to fit as needed.

For the Brownie Layer

  • In a medium bowl, mix the cocoa powder with flour, salt, and baking powder.
  • In a separate bowl, beat together softened butter with both types of sugars, then add eggs and vanilla extract, and mix well. Sift dry ingredients into wet ingredients, and mix well.
  • Spread the brownie batter over the Oreo layer.
  • Bake for about 40-45 minutes until the toothpick comes out almost clean. Let it cool completely for a couple of hours.

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