There’s just something magical about a warm, fudgy brownie, isn’t there? For me, these Classic Oreo Brownies aren’t just a dessert; they’re a little slice of comfort. I remember making my very first batch of these for a family game night, and the way everyone’s eyes lit up when they took that first bite – it was instant love. They’ve been a go-to ever since, bringing smiles and chocolatey goodness to countless gatherings.
Why You’ll Love This Classic Oreo Brownies
- They’re incredibly fudgy and rich, with that perfect dense texture we all crave.
- The added Oreos give them a delightful crunch and extra cookie flavor in every bite.
- They’re surprisingly simple to make, even if you’re new to baking.
- Perfect for any occasion, from a cozy night in to a potluck with friends.
Ingredients You’ll Need
- Dark Chocolate: Choose a good quality dark chocolate, around 60-70% cacao. Chopping it into small 1/4-inch pieces helps it melt evenly and quickly.
- Cocoa Powder: Sifting the cocoa powder is a small but mighty step! It prevents lumps and ensures a super smooth, chocolatey batter.
- Eggs: Make sure your eggs are at room temperature. This helps them incorporate better into the batter and contributes to that wonderful fudgy texture.
- Espresso Powder: Don’t skip this! It doesn’t make your brownies taste like coffee; instead, it deeply enhances the chocolate flavor, making it even richer.
- Oreos: These are the star of the show! Roughly chopping them ensures you get good chunks throughout the brownies.
How to Make Classic Oreo Brownies Step by Step
First things first, let’s get your oven ready! Preheat it to 350°F. While that’s heating up, grab your 9×9 inch baking pan and give it a good grease with butter or cooking spray. Now, for the fun part: chop your Oreos into about 1/2-inch chunks. You’ll want about 20 pieces for mixing into the batter and 5 for sprinkling on top. Don’t forget to sift your cocoa powder into a small bowl to get rid of any pesky lumps, and chop your dark chocolate into small 1/4-inch pieces – this will help it melt beautifully.
Next, we’re going to melt the butter and chocolate. Combine the 12 tablespoons of butter and your chopped dark chocolate in a microwave-safe bowl. Heat it in 30-second bursts, stirring really well after each one, until it’s completely smooth and melted. This usually takes about 60-90 seconds. Immediately stir in that sifted cocoa powder until it’s fully blended and there are no streaks left. The warmth from the melted chocolate will help the cocoa powder mix in perfectly without clumping.
Now, in a separate bowl, whisk together the sugar and room-temperature eggs for about 2 minutes. You’ll see it get a little pale and slightly thickened – this is where you’re incorporating air for that amazing fudgy texture! Pour the warm chocolate mixture from before into the egg mixture, add the vanilla extract, and stir until just combined. This is also where I like to add the espresso powder and salt; trust me, it makes the chocolate flavor sing! Finally, gently fold in the flour until it’s just combined – be careful not to overmix, as that keeps your brownies tender. Stir in the chocolate chips last.
Pour half of your delicious batter into the prepared pan and smooth it out. Now, evenly scatter those 20 chopped Oreos over this layer – I like to make sure they’re spread out so every bite gets a cookie crunch. Carefully pour the remaining batter over the Oreos and gently spread it to cover them completely. For the grand finale, sprinkle those 5 reserved crumbled Oreo pieces on top, pressing them lightly into the surface so they stay put during baking. Bake for 30 minutes, and remember, a slight jiggle in the center is perfect for fudgy brownies! Let them cool completely in the pan before cutting – this is crucial for neat squares.
My Top Tips for Success
- I always make sure my eggs are at room temperature. It really does make a difference in the texture of your brownies.
- In my experience, sifting the cocoa powder prevents those annoying little lumps and ensures a smooth, even chocolate flavor.
- Don’t overmix the batter once you add the flour. Just mix until combined, and your brownies will stay tender and fudgy.
- Trust me on this one: cooling the brownies completely in the pan is essential. They continue to set and firm up as they cool, making them much easier to cut.
- For extra fudginess, slightly underbake them! A little jiggle in the center means they’ll be perfect once cooled.
Common Mistakes to Avoid
- Overmixing the batter: This can lead to tough, cakey brownies instead of fudgy ones. Mix until just combined after adding the flour.
- Overbaking: If you bake them too long, your brownies will be dry. Look for a set top but a slightly jiggly center.
- Cutting too soon: Trying to cut warm brownies will result in a crumbly mess. Patience is key – let them cool completely.
- Not using room temperature eggs: Cold eggs don’t emulsify as well with the other ingredients, affecting the texture.
- Skipping the espresso powder: While optional, it truly enhances the chocolate flavor without making the brownies taste like coffee.
How to Store Classic Oreo Brownies
- Countertop: Store in an airtight container at room temperature for up to 3-4 days.
- Refrigerator: To extend freshness, store in an airtight container in the fridge for up to 1 week. Bring to room temperature before serving for best texture.
- Freezer: Wrap individual brownies tightly in plastic wrap, then place in a freezer-safe bag or container for up to 3 months. Thaw at room temperature.
Frequently Asked Questions
What kind of dark chocolate should I use?
I recommend using a good quality dark chocolate with about 60-70% cacao. This gives the brownies a rich, deep chocolate flavor without being too bitter.
Can I use milk chocolate instead of dark chocolate?
While you can, using milk chocolate will result in a much sweeter brownie with a less intense chocolate flavor. For that classic fudgy brownie, dark chocolate is best.
Why are my brownies cakey and not fudgy?
This is usually due to overmixing the batter or overbaking. Make sure to mix the flour in gently until just combined and remove the brownies from the oven when the center still has a slight jiggle.
Do I have to use espresso powder?
No, you don’t have to, but I highly recommend it! It deepens the chocolate flavor beautifully without making the brownies taste like coffee.
How do I know when the brownies are done?
The top should look set, but the center should still have a slight jiggle when you gently shake the pan. A toothpick inserted might still have moist crumbs, which is perfect for fudgy brownies.
I truly hope these Classic Oreo Brownies bring as much joy to your kitchen as they do to mine. There’s nothing quite like that first bite of fudgy, chocolatey goodness with a crunch of Oreo. Give them a try and let me know how they turn out – I can’t wait to hear about your baking adventures!
PrintClassic Oreo Brownies
Rich, fudgy brownies packed with chunks of Oreo cookies, these are a guaranteed crowd-pleaser for any chocolate lover.
- Prep Time: 20
- Cook Time: 30
- Total Time: 150
- Yield: 16 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
- 12 tbsp butter
- 5 oz dark chocolate (chopped into 1/4-inch pieces)
- 1/2 cup cocoa powder (sifted)
- 1 3/4 cups sugar
- 2 eggs (room temperature)
- 1 tsp vanilla
- 2/3 cup flour
- 1/2 tsp salt
- 1/4 tsp espresso powder
- 1/2 cup chocolate chips
- 25 oreos (roughly chopped into 1/2-inch chunks)
Instructions
- Preheat your oven to 350°F.
- Grease a 9×9 inch baking pan or 8×8 baking dish with butter or cooking spray.
- Roughly chop 25 Oreos into 1/2-inch chunks, reserving 5 pieces for topping.
- Sift 1/2 cup cocoa powder into a small bowl.
- Chop 5 oz dark chocolate into 1/4-inch pieces.
- Combine 12 tablespoons of butter and chopped dark chocolate in a microwave-safe bowl.
- Microwave in 30-second intervals, stirring between each, until completely melted and smooth (60-90 seconds total).
- Immediately stir the sifted cocoa powder into the melted chocolate mixture until fully incorporated and no streaks remain.
- In a separate bowl, whisk together 1 3/4 cups sugar and 2 room-temperature eggs until pale and slightly thickened, about 2 minutes.
- Pour the chocolate mixture from Step 8 into the egg mixture.
- Add 1 tsp vanilla extract and 1/4 tsp espresso powder to the mixture.
- Add 1/2 tsp salt to the mixture.
- Stir until combined.
- Gently fold in 2/3 cup flour until just combined.
- Stir in 1/2 cup chocolate chips.
- Pour half of the batter into the prepared pan.
- Smooth the top of the batter.
- Distribute 20 chopped Oreos evenly over the first layer of batter.
- Pour the remaining batter over the Oreos.
- Spread the batter gently to cover the Oreos completely.
- Top with the 5 reserved crumbled Oreo pieces.
- Press the reserved Oreo pieces lightly into the surface of the batter.
- Bake at 350°F for 30 minutes, until the top is set but the center still has a slight jiggle.
- Remove from the oven.
- Let cool completely in the pan before cutting into squares.
Notes
Always use room temperature eggs for the best brownie texture.
Sifting cocoa powder prevents lumps and ensures a smooth batter.
Do not overmix the batter once flour is added to keep brownies tender.
Cool brownies completely in the pan before cutting for clean squares.
Espresso powder enhances chocolate flavor without making brownies taste like coffee.


