These Oreo brownies came about because Liam found a sleeve of smashed Oreos in our pantry and didn't want to throw them away. I was already making brownies for a school bake sale, so I figured why not chop up those broken cookies and see what happened. The result was incredible - rich, fudgy brownies loaded with chunks of Oreos that somehow made everything taste even more chocolatey. Liam took one bite and said "Mom, we're never making regular brownies again!"
Why You'll Love These Oreo Brownies
These brownies have taken over as our go-to dessert for pretty much everything. They're so easy to make - if you can handle regular brownies, you can definitely handle these. The trickiest part is chopping up the Oreos, and even that's more fun than work. Liam loves the cookie-smashing job, though I've learned to give him his own bowl because he eats half the cookies before they make it into the batter.
What blows my mind is how much better these taste than plain brownies. The Oreos pump up the chocolate flavor and add that cookies-and-cream taste that makes every bite more exciting. They're rich enough to cure any chocolate craving but not so sweet that you feel gross after eating them. Okay, maybe after eating three, but that's on you.
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Oreo Brownies Ingredients
For the Brownies:
- Unsalted butter
- Dark chocolate or cocoa powder
- Granulated sugar
- Large eggs
- Vanilla extract
- All-purpose flour
- Salt
The Star Addition:
- Oreo cookies (about 15-20 cookies)
Optional Extras:
- Powdered sugar for dusting
- Extra Oreos for topping
- Vanilla ice cream for serving
See recipe card for quantities.
How To Make Oreo Brownies
Get Ready:
- Preheat oven to 350°F
- Line 9x13 pan with parchment paper
- Grease the parchment lightly
- Roughly chop Oreos into chunks
Make the Brownie Base:
- Melt butter and chocolate together (or mix butter with cocoa)
- Let cool slightly so it won't cook the eggs
- Beat in sugar until smooth
- Add eggs one at a time
- Mix in vanilla extract
- Fold in flour and salt until just combined
Add the Magic:
- Gently fold chopped Oreos into brownie batter
- Don't overmix or you'll break them up too much
- Pour into prepared pan
- Press a few extra Oreo pieces on top if you want
Bake It:
- Bake 25-30 minutes
- Center should be just barely set
- Don't overbake or they'll be dry
- Cool completely before cutting
Substitutions
Cookie Options:
- Regular Oreos → Any sandwich cookie
- Original → Golden Oreos for vanilla twist
- Classic → Double Stuf (messier but good)
- Plain → Mint Oreos for chocolate mint flavor
Brownie Base Changes:
- Butter → Coconut oil (solid, not melted)
- Dark chocolate → Semi-sweet chocolate chips
- Real chocolate → Extra cocoa powder and oil
- Regular eggs → Flax eggs for vegan version
Flour Alternatives:
- All-purpose → Gluten-free 1:1 blend
- White flour → Almond flour (denser but tasty)
- Regular → Whole wheat pastry flour
- Standard → Oat flour ground from oats
Sugar Swaps:
- Granulated → Brown sugar (chewier texture)
- White sugar → Coconut sugar
- Regular → Sugar substitute (reduce by ¼)
- Standard → Maple syrup (reduce other liquids)
Oreo Brownies Variations
Cookie Swaps:
- Golden Oreos for vanilla lovers
- Mint Oreos for chocolate mint brownies
- Peanut butter Oreos for nutty flavor
- Birthday cake Oreos for party vibes
- Fudge covered Oreos for extra chocolate
Brownie Upgrades:
- Swirl in Nutella before baking
- Add mini marshmallows on top
- Drizzle with caramel sauce after cooling
- Mix in white chocolate chips
- Sprinkle sea salt on top
Special Occasion Versions:
- Halloween: Orange Oreos with orange frosting
- Christmas: Peppermint Oreos with crushed candy canes
- Valentine's: Red velvet Oreos with pink sprinkles
- Summer: Lemon Oreos with lemon glaze
- Birthday: Any fun Oreo flavor with rainbow sprinkles
Liam's Wild Ideas:
- "Ice cream sandwich" brownies with vanilla ice cream layer
- Brownie sundae bars cut into squares
- Mini brownie bites in muffin tins
- Brownie trifle layered with pudding and whipped cream
- Frozen brownies eaten like ice cream bars
Equipment
- 9x13 inch baking pan
- Large mixing bowl
- Measuring cups and spoons
- Whisk or wooden spoon
- Sharp knife for chopping Oreos
- Parchment paper
Storage Tips
Room Temperature (4-5 days):
- Cool completely before storing
- Cover tightly with plastic wrap or foil
- Keep in cool, dry place
- Don't refrigerate unless really hot weather
Individual Portions:
- Wrap single brownies in plastic wrap
- Perfect for lunch boxes or grab-and-go snacks
- Stay fresh and fudgy for days
- Great for portion control (though Liam disagrees)
Freezer Storage (up to 3 months):
- Wrap cooled brownies in plastic wrap, then foil
- Freeze whole pan or individual pieces
- Thaw at room temperature for best texture
- Taste almost as good as fresh
Make-Ahead Tips:
- Can be made 2-3 days before serving
- Actually improve in flavor overnight
- Perfect for party planning
- Store covered at room temperature
Top Tip
- I've screwed up these Oreo Brownies enough times to know exactly what goes wrong! The biggest mistake is chopping the Oreos too small. The first few batches I made, I got obsessed with making perfect tiny pieces and ended up with Oreo dust that just vanished into the brownie batter. You want actual chunks that you can bite into - some pieces should be almost half a cookie so you get that satisfying crunch when you eat them.
- Don't bake these to death, even if the middle looks a little wet. Brownies keep cooking on the hot pan after you pull them out, and these especially need to stay fudgy to balance the crunchy cookies. I used to bake them until a toothpick came out spotless, and they'd be dry and boring instead of rich and gooey. Now I take them out when there are still some moist crumbs on the toothpick.
What to Serve With Oreo Brownies
These Oreo brownies are rich enough to stand on their own, but there are some combinations that take them from great to absolutely incredible. The classic pairing is vanilla ice cream - the cold, creamy vanilla balances out all that intense chocolate and cookie flavor perfectly. Liam's favorite is making brownie sundaes by warming up a square in the microwave for about 20 seconds and topping it with a scoop of vanilla ice cream and maybe some chocolate sauce.
For grown-up gatherings, these Oreo brownies are amazing with a cup of strong coffee or espresso. The bitter coffee cuts through the sweetness and brings out the chocolate flavors even more. I've served them at dinner parties with coffee and gotten rave reviews every time. They're also surprisingly good with a cold glass of milk - sometimes the simple combinations are the best ones.
FAQ
Can I put Oreos in brownie mix?
Absolutely! You can add chopped Oreos to any brownie mix - boxed or homemade. Just fold about 15-20 chopped cookies into your prepared brownie batter before baking. The key is chopping them into chunks, not crumbs, so you get actual cookie pieces to bite into. I've done this with store-bought mix when I'm short on time and it works perfectly.
How do you make Oreo brownies?
Make your regular Oreo brownies batter, then gently fold in roughly chopped Oreo brownies before baking. The trick is not overmixing - you want visible chunks throughout the brownies, not cookie dust. Chop about 15-20 cookies into bite-sized pieces, fold them into the batter with just a few gentle turns, then bake as usual. Super simple but incredibly delicious.
What is the rarest Oreo flavor?
The rarest Oreos are usually limited edition or international flavors that aren't available everywhere. Some of the hardest to find include wasabi, green tea, and various fruit flavors that are only sold in certain countries. But honestly, for brownies, the classic chocolate Oreos work best. Liam tried convincing me to use some weird cotton candy Oreos once - not recommended!
What does the O in Oreo stand for?
This is actually a common myth - the letters in Oreo brownies don't stand for anything! The name was just created by the original Nabisco company in 1912. Some people think it comes from the French word "or" meaning gold, or that it's related to the shape, but there's no official meaning. Just a catchy name for a great cookie that happens to make amazing brownies.
The Ultimate Chocolate Cookie Experience!
These Oreo brownies have become our most requested dessert, and once you make them, you'll understand the obsession. What started as a way to use up broken cookies has turned into Liam's favorite treat and my go-to recipe when I need something that's guaranteed to impress. The combination of fudgy brownies and crunchy cookie pieces creates this perfect texture that satisfies every chocolate craving.
These brownies have earned their spot right next to our other family favorites that never disappoint. Looking for more crowd-pleasing treats? Try our Easy Caramel Apple Dump Cake that brings all those cozy fall flavors with minimal effort. Our Easy Cranberry Muffins Recipe is perfect for breakfast or snacks that actually taste homemade. And don't miss our Easy Crinkle Cookies Recipe - they're just as simple but completely different from these brownies.
Share your Oreo brownie photos with us!Liam loves seeing other families making his favorite chocolate creation. There's nothing better than knowing a recipe that brings joy to our kitchen is spreading that same happiness to yours.
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Pairing
These are my favorite dishes to serve with Oreo brownies
Oreo Brownies
Ingredients
Equipment
Method
- Preheat oven to 350°F (175°C). Line a 9x13-inch baking pan with parchment paper and lightly grease it.
- Roughly chop the Oreos into bite-sized chunks. Some large pieces are okay for texture.
- Melt butter and chocolate together (or mix cocoa powder and oil). Let cool slightly.
- In a large bowl, beat the sugar into the melted butter/chocolate mixture until smooth.
- Add eggs one at a time, beating after each addition. Stir in vanilla.
- Fold in flour and salt until just combined - do not overmix.
- Gently fold in the chopped Oreos. Try not to break them down too much.
- Pour the batter into the prepared pan and smooth the top. Press a few extra Oreo chunks on top if desired.
- Bake for 25-30 minutes or until the center is just set and a toothpick comes out with moist crumbs.
- Let brownies cool completely in the pan before slicing.
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