Slutty Brownies: The Ultimate Triple-Layer Dessert

An abandoned bag of Oreos sitting in the pantry at eleven, still in pajamas, is exactly what sparked an obsession with this slutty brownies recipe. Eating the cookies plain felt like a missed opportunity, so stacking them between cookie dough and brownie batter became the obvious solution instead. Explaining the name of this dessert to a mother-in-law once turned into a deeply uncomfortable mistake never to be repeated.

This slutty brownies recipe easy enough to assemble while half asleep still looks like something straight out of a bakery display case. Three layers, one pan, and zero self-control required. Here is exactly how I do it.

Why You’ll Love This Recipe

• It looks insanely impressive. People assume real bakery hours went into this, though the whole thing takes less than an hour.
• It stops conversations. At potlucks, everyone gets too busy chewing to talk.
• The assembly is foolproof. Squishing three beautiful layers on top of each other counts as the entire technique.
• Kid-approved magic. Children treat the whole Oreo hiding in the middle like actual superpowers.

Tools You’ll Need

Nothing fancy, I promise.

• 9×9 baking pan – You really need a square non-stick pan for this, otherwise the edges get weird and sad.
• Stand mixer. A hand mixer or sheer arm strength works just as well for the cookie dough.
• Metal saucepan. This handles melting the butter and making the brownie batter like a vaguely responsible adult.

Ingredients

For the Brownie Layer

• 10 tablespoons unsalted butter – Do not use salted butter unless you want a very aggressive salt profile.
• 1 1/4 cups white sugar – Because we are fully committing to dessert.
• 3/4 cup cocoa powder – Use a good quality cocoa powder, it makes a massive difference.
• 1/2 teaspoon kosher salt – Kosher salt is my ride-or-die.
• 2 teaspoons vanilla extract – Measure with your heart, but two teaspoons is a good start.
• 2 large eggs – Room temperature if you remember, straight from the fridge if you are me.
• 1/2 cup flour – Just standard all-purpose.

For the Oreo Layer

• 1 package of Oreo regular stuffed or double stuffed – Double stuffed is the correct life choice here.

For the Cookie Dough Layer

• 1/2 cup unsalted butter – If you forgot to soften it, just microwave it for 5 seconds and pray.
• 1/4 cup brown sugar – Pack it in there.
• 3/4 cup white sugar – Yes, more sugar.
• 1 egg – The glue holding our cookie dreams together.
• 1 1/4 teaspoons vanilla extract – The good stuff.
• 1 1/4 cups flour – Do not pack the cup, just scoop and level.
• 1/2 teaspoon salt – To balance the madness.
• 1/2 teaspoon baking soda – For that perfect cookie spread.
• 1/2 teaspoon baking powder – For a little lift.
• 1 cup semi-sweet chocolate chips – Because the chocolate in the brownie layer was not enough.

How to Make Slutty Brownies

Do not let the multiple layers intimidate you; this is mostly just stirring and stacking.

1. Make the brownie batter: In a medium saucepan, melt the butter over medium high heat. Add the sugar and cocoa powder once the butter is melted. Whisk to combine and remove from heat. Add the salt, vanilla and eggs and continuously whisk until the eggs are combined. Whisk those eggs quickly so you do not accidentally make chocolate scrambled eggs, which is gross.
2. Finish the brownie batter: Add the flour and continue to mix. Set batter aside. If there are a few flour streaks left, that is completely fine, overmixing is the enemy of a good brownie.
3. Start the cookie dough: Cream together the butter and sugars in a mixer. Add the egg and vanilla, making sure to scrape down the sides of the mixing bowl. Scraping the bowl is annoying but necessary, otherwise you end up with a sad butter clump at the bottom.
4. Finish the cookie dough: Add the flour, salt, baking soda and baking powder and mix on low until everything is incorporated. Fold in the chocolate chips. Set dough aside. Try not to eat half the dough right now, you actually need it for the recipe.
5. Layer the bottom: Layer the cookie dough on the bottom of a 9×9 baking pan, pressing down to form the bottom of the slutty brownies. Layer as many oreos that will fit on top of the cookie dough. No need to overlap. One single layer will do. Pressing the dough down with slightly damp hands stops it from sticking to your fingers like superglue.
6. Add the brownie layer: Pour the brownie batter on top of the oreo layer and make sure it’s evenly layers on top. Spread it gently so you do not displace your carefully arranged Oreo grid.
7. Bake and wait: Bake for 35-40 minutes. Test with a knife to see if the center is done. If the knife comes out clean, let the brownies rest for at least 2 hours before serving. If the knife comes out with batter still on it, allow the brownies to bake about 5 minutes more. Slice and serve. Waiting two hours is a form of psychological torture, but if you cut them hot, they will collapse into a delicious, messy puddle.

Perfect Pairings

These slutty brownies suit two specific pairings particularly well.

• A giant scoop of vanilla bean ice cream pushes the richness right over the edge.
• A strong cup of black coffee balances out the aggressive sugar rush.

Make it yours

• Peanut butter version. You swirl a spoonful of peanut butter into the brownie batter before pouring it over the Oreo layer.
• Mint version. You use mint-filled Oreos and add a few drops of peppermint extract to the brownie batter for a holiday twist.

Slutty Brownies

These slutty brownies prove that stacking three simple desserts into one pan beats picking just one every single time. This slutty brownies recipe layers cookie dough, whole Oreos, and fudgy brownie batter into a single square that looks like real bakery effort went into it. Whether served at a potluck or eaten straight from the fridge, this triple layer dessert disappears fast no matter who shows up to the table.

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 40 minutes mins

Total Time 50 minutes mins

Servings: 16 servings

Course: Brownies, Dessert

Cuisine: American

Calories: 493

Ingredients Equipment Method Notes

Ingredients

  

• 10 tablespoon unsalted butter
• 1 1/4 cups white sugar
• 3/4 cup cocoa powder
• 1/2 teaspoon kosher salt
• 2 teaspoons vanilla extract
• 2 large eggs
• 1/2 cup flour
• 1 package of Oreo (regular stuffed or double stuffed)
• 1/2 cup unsalted butter (at room temp)
• 1/4 cup brown sugar
• 3/4 cup white sugar
• 1 egg
• 1 1/4 teaspoons vanilla extract
• 1 1/4 cups flour
• 1/2 teaspoon salt
• 1/2 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1 cup semi-sweet chocolate chips

Equipment

• 9×9 baking pan
• stand mixer
• Metal saucepan

Method

 

1. In a medium saucepan, melt the butter over medium high heat. Add the sugar and cocoa powder once the butter is melted. Whisk to combine and remove from heat. Add the salt, vanilla and eggs and continuously whisk until the eggs are combined. Add the flour and continue to mix. Set batter aside.
2. Cream together the butter and sugars in a mixer. Add the egg and vanilla, making sure to scrape down the sides of the mixing bowl. Add the flour, salt, baking soda and baking powder and mix on low until everything is incorporated. Fold in the chocolate chips. Set dough aside.
3. Preheat the oven to 350 degrees F and line the bottom of a 9×9 baking pan with tin foil or parchment paper and then spray the foil/paper with a spritz of non-stick baking spray.
4. Layer the cookie dough on the bottom of a 9×9 baking pan, pressing down to form the bottom of the slutty brownies. Layer as many oreos that will fit on top of the cookie dough. No need to overlap. One single layer will do.
5. Pour the brownie batter on top of the oreo layer and make sure it's evenly layers on top.
6. Bake for 35-40 minutes. Test with a knife to see if the center is done. If the knife comes out clean, let the brownies rest for at least 2 hours before serving. If the knife comes out with batter still on it, allow the brownies to bake about 5 minutes more. Slice and serve.

Recipe Notes

Oreos: I always use double stuffed, since the extra cream filling holds up well against the brownie batter on top.

Cocoa powder: I use a good quality cocoa, since it makes a real difference in the brownie layer’s flavor.

Butter: I use unsalted in both the brownie and cookie dough layers, adding salt separately to control the balance.

Cookie dough: I use my own from-scratch dough, though a tube of store-bought dough works as a reliable shortcut.

Brownie mix: I make my own batter here, but a boxed mix substitutes easily when time runs short.