Slutty brownies are unapologetically indulgent — a triple-layer dessert bar made of chocolate chip cookie dough, Oreo cookies, and rich, fudgy brownies all baked together in one outrageous pan. They’re ooey, gooey, and wildly satisfying in every bite.
This wildly popular dessert earned its bold name thanks to its “anything goes” attitude — no rules, no restraint, just layers of sinful sweetness. First made famous through food blogs and viral posts in the early 2010s, slutty brownies have since become a bake sale legend and party favorite.
From the buttery cookie base to the soft brownie top, with Oreos melting right in the middle, this dessert is for serious sweet tooths who crave texture, chocolate, and decadence in one bite.
Ingredients Overview
Slutty brownies are composed of three stacked layers, each with distinct textures and flavors. Here’s a breakdown of each one:
1. Chocolate Chip Cookie Layer
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Unsalted Butter – Softened butter helps create that classic chewy cookie texture.
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Brown Sugar + Granulated Sugar – Brown sugar adds moisture and richness, while white sugar gives crisp edges.
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Egg – Binds the dough and adds richness.
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Vanilla Extract – Rounds out the cookie flavor.
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All-Purpose Flour – The base for structure.
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Baking Soda – Helps the cookie layer rise just enough.
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Salt – Brings out the sweetness and balances flavors.
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Chocolate Chips – Semi-sweet or dark for gooey chocolate bursts.
2. Oreo Cookie Layer
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Whole Oreo Cookies – Classic, Double Stuf, or flavored Oreos all work. Lay them flat to form a crunchy, creamy center.
3. Brownie Layer
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Butter – Melted for that rich, fudgy texture.
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Sugar – Sweetens and helps create a crackly top.
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Eggs – Essential for structure and sheen.
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Cocoa Powder – Go for high-quality, unsweetened cocoa.
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Flour – Just a bit to hold the layer together.
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Salt – Balances the chocolate.
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Chocolate Chips (Optional) – For added richness.
You can use homemade brownie and cookie dough — or cheat a little with boxed brownie mix and refrigerated cookie dough for a shortcut.
Step-by-Step Instructions

1. Prep the Pan
Preheat your oven to 350°F (175°C). Line a 9×9-inch baking pan with parchment paper, allowing some overhang for easy lifting. Lightly grease.
2. Make the Cookie Dough Layer
In a bowl, cream together:
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½ cup unsalted butter (softened)
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½ cup brown sugar
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¼ cup granulated sugar
Beat until light and fluffy (2–3 minutes). Add:
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1 large egg
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1 tsp vanilla extract
Mix until smooth. Then stir in:
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1¼ cups all-purpose flour
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½ tsp baking soda
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¼ tsp salt
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¾ cup chocolate chips
Spread the dough evenly in the bottom of the prepared pan. Press it down gently into the corners.
3. Add the Oreo Layer
Place whole Oreo cookies in a single layer across the cookie dough. You may need to break some to fill the edges. Don’t press down too hard.
4. Make the Brownie Batter
In a separate bowl, whisk together:
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½ cup melted unsalted butter
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¾ cup granulated sugar
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2 large eggs
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1 tsp vanilla extract
Add:
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½ cup cocoa powder
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½ cup all-purpose flour
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¼ tsp salt
Stir until smooth and glossy. Optional: Fold in ½ cup chocolate chips for extra gooeyness.
Gently pour the brownie batter over the Oreo layer and smooth the top with a spatula.
5. Bake
Bake for 35–40 minutes, or until the center is set and a toothpick inserted near the edge comes out with moist crumbs.
The center will stay slightly gooey — that’s part of the appeal!
Let cool completely in the pan before lifting out and slicing.
Tips, Variations & Substitutions
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Chill Before Slicing: For clean edges, chill the cooled bars for 1 hour before cutting.
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Stuffed Oreos: Use peanut butter or mint-flavored Oreos for a twist.
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Cookie Dough Shortcut: Use pre-made cookie dough in a pinch, but homemade gives a better texture.
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Brownie Mix Option: A high-quality boxed mix (for an 8×8 or 9×9 pan) can be used for the brownie layer.
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Add-ins:
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Swirl in peanut butter or Nutella on top before baking.
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Sprinkle sea salt over the top for sweet-salty contrast.
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Gluten-Free: Use gluten-free cookie dough, brownies, and certified gluten-free Oreos.
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Dairy-Free: Substitute plant-based butter and dairy-free chocolate chips.
Serving Ideas & Occasions
Slutty brownies are pure celebration in bar form. Serve them:
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As a show-stopping dessert at parties, birthdays, or BBQs.
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Warmed up with vanilla ice cream and a drizzle of chocolate sauce.
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Cut into mini bites for dessert trays or bake sales.
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Chilled and wrapped individually for holiday gifting or edible favors.
They travel well and are guaranteed to get rave reviews — especially from chocolate lovers.
Nutritional & Health Notes
Slutty brownies are indulgent — and unapologetically so.
Each bar is rich in sugar, fat, and chocolate, making it the perfect treat for special occasions or cheat days. One bar packs a lot of flavor and texture, so smaller portions go a long way.
Tips to lighten:
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Use dark chocolate chips for less sugar.
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Make thinner layers in a larger pan for more servings.
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Use unsweetened applesauce to replace some of the butter in the brownie layer.
Store in an airtight container for 4–5 days at room temp, or refrigerate for longer shelf life.
FAQs
Q1: Can I make slutty brownies with boxed mixes?
A1: Absolutely! Use refrigerated cookie dough and a boxed brownie mix for faster prep. Bake times may vary slightly but results are still delicious.
Q2: How do I know when they’re done?
A2: The top should be set and slightly cracked, and a toothpick inserted near the edge should come out with moist crumbs. The center will stay a bit gooey — that’s expected.
Q3: Can I freeze them?
A3: Yes. Let them cool fully, slice, and wrap individually in plastic wrap. Freeze in a sealed container for up to 2 months. Thaw at room temp for 1–2 hours.
Q4: What kind of Oreos work best?
A4: Classic Oreos are the standard, but feel free to experiment with Double Stuf, Golden, or flavored varieties like mint or peanut butter for fun twists.
Q5: Can I double the recipe?
A5: Yes! Double all ingredients and use a 9×13-inch pan. Increase the baking time by 5–10 minutes, checking for doneness at 40 minutes.
Q6: How long should I cool them before slicing?
A6: Let them cool completely — at least 1 hour — and ideally chill them in the fridge for even cleaner cuts.
Q7: Why are they called “slutty” brownies?
A7: The term playfully suggests they’re over-the-top, irresistible, and indulgent — combining three dessert layers in one unapologetic bite.
PrintSlutty Brownies – indulgent layered bars with cookie + brownie
Layers of chocolate chip cookie dough, Oreo cookies, and rich brownies baked together into one ridiculously delicious bar. Ooey, gooey, and unforgettable.
- Prep Time: 25 minutes
- Cook Time: 40 minutes
- Total Time: 1 hour 5 minutes
- Yield: 16 bars 1x
Ingredients
Cookie Dough Layer:
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½ cup unsalted butter (softened)
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½ cup brown sugar
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¼ cup granulated sugar
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1 egg
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1 tsp vanilla extract
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1¼ cups all-purpose flour
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½ tsp baking soda
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¼ tsp salt
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¾ cup chocolate chips
Oreo Layer:
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16 Oreo cookies (or enough to cover the pan in a single layer)
Brownie Layer:
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½ cup melted butter
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¾ cup granulated sugar
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2 large eggs
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1 tsp vanilla extract
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½ cup cocoa powder
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½ cup all-purpose flour
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¼ tsp salt
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Optional: ½ cup chocolate chips
Instructions
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Preheat oven to 350°F. Line and grease a 9×9-inch pan.
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Make cookie dough: Cream butter and sugars, add egg and vanilla, then mix in flour, soda, salt, and chips. Spread in pan.
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Layer Oreos evenly over cookie dough.
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Make brownie batter: Whisk butter, sugar, eggs, vanilla, cocoa, flour, and salt. Fold in chips if using.
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Pour brownie batter over Oreos and smooth top.
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Bake 35–40 minutes until top is set. Cool completely before slicing.
Notes
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Chill before slicing for clean bars.
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Use boxed mix and pre-made dough for quick version.
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Top with flaky sea salt or drizzle with chocolate sauce if desired.
