Fudgy Oreo Brownies {Easy}

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The best, easy, fudgy chocolate Oreo brownies recipe from scratch, homemade with simple ingredients. Ready in less than 1 hour. Full of cocoa powder and chocolate chips.

Stack of easy fudgy chocolate Oreo brownies on brown parchment paper.

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I have experimented in the kitchen and made these bars three different ways: Oreos on top, inside the batter and even lining them at the bottom of the pan. I found that this version with Oreos on top is the best because the cookies don't get soggy at the end. These are now just as delicious as my Oreo Cupcakes (With Cake Mix) and Oreo Fudge (Cookies and Cream Fudge).

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Key ingredients for cookies and cream brownies
How to make easy Oreo brownies recipe from scratch?
Variations
Tips and techniques
Brownie add-ins and toppings
Recipe FAQs
Storage
More Oreo desserts
Recipe

Key ingredients for cookies and cream brownies

Butter- Make sure it is unsalted.
Sugar- Not to be confused with brown sugar.
Cocoa powder- Gives that chocolatey flavor.
Eggs- Use ones at room temperature.
Vanilla extract- Brings a warm aroma and pairs well with chocolate.
Flour- Thickens up the batter.
Chocolate chips- Adds texture and sweetness.
Oreos- Be sure to crush them up.

How to make easy Oreo brownies recipe from scratch?

Large glass bowl with butter, sugar and cocoa powder.

1. Add ingredients in large mixing bowl- This includes butter, cocoa powder and sugar.

2. Heat in microwave- And mix until mixture is smooth.

Large glass bowl with melted chocolate mixture, eggs and vanilla extract.

3. Add in- The eggs and vanilla.

Batter in glass bowl being mixed with a spatula.

4. Mix together- Until smooth.

Glass bowl with chocolate mixture, flour, chocolate chips.

5. Dump in- The flour and chocolate chips.

6. Mix with spatula- Just until combined.

Brownie batter being spread in a lined square pan.

7. Pour batter into prepared pan- And smooth with a spatula.

Brownie batter being pressed with crushed cookies using a spatula.

8. Pat down Oreos- On of top the batter.

Variations

Use a brownie box mix- Make brownie batter as per instructions on the box and top it off with 1.5 cups chopped Oreos, prior to baking.
Add frosting- I really don't think any frosting is necessary but if you really must have frosting, top it with my Classic American Buttercream Frosting.
To add a cheesecake flavor- Top off the cooled brownies with this Chocolate Cream Cheese Frosting or Classic Cream Cheese Frosting.
Try other Oreo flavors- There are so many new and seasonal flavors of Oreos in the market now. Try a fun new flavor instead of the classic. You can also use Golden Oreos, if you like.
Turn these into brownie cupcakes- Scoop the batter into cupcake liners or a greased cupcake pan, press Oreos on top and bake until firm.
Make a "stuffed" version- Spread half the batter in the pan, line top with whole or crushed Oreos, spread remaining batter on top and bake.
Instead of chocolate chips use chopped nuts- Such as pecans, peanuts, cashews, pistachios, walnuts, or almonds.
Use other flavors of chocolate chips- Such as white, milk, dark, butterscotch, or peanut butter.
Add salt- If you like the sweet and salty taste, you can add ¼ teaspoon sea salt.

Slice of Fudgy Chocolate Brownie on Sheet of Brown Parchment Paper- Closeup Shot.

Tips and techniques

Remember to line the pan- Use parchment paper or aluminum foil to prevent the brownies from sticking.
Use high quality unsweetened cocoa powder for best results- This is not the same as hot cocoa or hot chocolate mix.
Use unsalted butter- So that your dessert isn't too salty.
Do not over-bake the brownies- Your brownies are ready to be removed from the oven when a toothpick inserted in the center comes out with a few sticky crumbs. If it comes out clean, it's dry and over-baked.
Don't replace granulated sugar with brown sugar- Because this will make the brownies too chewy.
Allow brownies to fully cool- Before slicing them to get the best look with straight lines.

Fingers holding partially eaten brownie- Closeup shot.

Brownie add-ins and toppings

Marshmallows- Stir in some mini marshmallows in the brownie batter.
Chocolate chips- Use white, dark, semisweet, milk, butterscotch, mint or peanut flavor. There are so many possibilities.
Peanut butter- Swirl some melted peanut butter in the brownie batter prior to baking.
Nutella- Heat about ½ a cup and swirl it on top of the batter with a butter knife before baking. You can skip all this swirling and just drizzle Nutella Syrup on top of them, once they are fully baked.
Biscoff or cookie butter- Heat about ½ a cup and swirl it on top of the batter with a toothpick just before you start baking.
Frosting- Top off these brownies with any frosting of your choice such as Easy Funfetti Frosting, White Chocolate Buttercream Frosting, or Marshmallow Frosting.
Cookie dough- Prepare Chocolate Chip Cookie Dough Truffles and drop spoonfuls on top of the brownie batter and bake. You may have to bake an additional 10-12 minutes. These cookie dough brownies rock!
Hot fudge Sauce (Chocolate Fudge Sauce)- Drizzle it on top of your baked brownies, once they cool down. It really takes them over the top!
Caramel sauce- Drizzle it on top, prior to serving. This can also be replaced with Homemade Dulce De Leche which has similar flavor profile.
Whipped cream- Like this Homemade Stabilized Whipped Cream, Chocolate Whipped Cream, or Chantilly Cream.
Ice cream and gelato- Try your favorite to top off this sweet treat. You can even try my Snow Ice Cream.

Overhead shot of slices of brownies on brown parchment paper.

Recipe FAQs

Why are my brownies dry and crumbly?

This happens when you cook them too long. In many baked goods, a toothpick inserted in the center that comes out clean means it is done. However, in the case of brownies, that means they are over-baked. You still want some goo on the stick. Also, it may be due to adding too much flour or other dry ingredients.

Why are my brownies raw in the middle?

Likely they need more time to cook through. It could also be that you accidentally added too much of the wet ingredients.

Storage

Refrigerate- Place in a sealed container for up to 3 days.
Freeze- In freezer bags or sealed containers for up to 1 month. If any moisture gets inside, the Oreos will become soggy upon thawing.
Room temperature-
Make ahead- 1-2 days in advance, make up the treat, then place in a sealed container in the fridge.

More Oreo desserts

Recipe