I’ll be honest—these Halloween Oreo brownies are one of those desserts I have to make every single year. There’s just something magical about fudgy, chocolatey brownies loaded with crunchy, cream-filled Oreos and bursts of Halloween color. They’re rich, festive, and slightly over-the-top—in the best way possible. And the best part? You don’t have to be a baking expert to pull them off.

If you’re anything like me, Halloween is your excuse to go all out in the kitchen. Between the candy, the decorations, and the spooky music in the background, these brownies fit right in. They’re a little indulgent, a lot of fun, and the kind of dessert that disappears faster than you can say “trick or treat.”

A Short Introduction to the Recipe

This recipe combines the best of both worlds—deep, chocolatey homemade brownies and the irresistible crunch of Halloween Oreos. I like to think of it as a dessert mashup that screams fall fun. You’ll get soft, gooey brownie layers with bites of cookie and vibrant orange cream peeking through every slice.

They’re perfect for Halloween parties, potlucks, bake sales, or just a cozy night in with scary movies and a warm drink.

Why This Recipe Is Special

There are countless brownie recipes out there, but this one hits different. It’s not just about tossing Oreos into a mix—it’s about balancing texture, flavor, and festivity. Each bite is a blend of melty chocolate, crispy cookie, and creamy filling. It’s nostalgic, comforting, and just a little mischievous (as all Halloween treats should be).

Plus, you can whip them up with pantry staples. No fancy tricks—just pure treat.

Why You’ll Love This Recipe

Fudgy Perfection: Dense, chewy, and chocolate-packed—never cakey.
Festive and Fun: Those orange Oreo centers add a pop of Halloween spirit.
Quick to Make: Only one bowl and no complicated steps.
Customizable: Switch up the cookies or add candy toppings.
Kid-Friendly: Perfect for baking with little helpers who love crushing Oreos.

Tools You’ll Need

Here’s what I use every time I make these brownies:

9×9-inch (23×23 cm) baking pan – the perfect size for thick, fudgy brownies.
Mixing bowls (medium and large) – for melting and mixing your ingredients.
Rubber spatula – great for scraping the batter (no chocolate left behind!).
Whisk – helps blend eggs and sugar smoothly.
Measuring cups and spoons – accuracy counts with brownies.
Parchment paper – for easy pan release and clean cuts.
Knife – to cut those picture-perfect brownie squares.

Ingredients

For the Brownie Batter

1 cup (230 g) unsalted butter
8 oz (225 g) semi-sweet chocolate, chopped
1 cup (200 g) granulated sugar
1 cup (200 g) light brown sugar
4 large eggs, at room temperature
1 tsp vanilla extract
1 cup (125 g) all-purpose flour
½ cup (45 g) unsweetened cocoa powder
½ tsp salt

For the Topping and Mix-ins

12–14 Halloween Oreos, roughly chopped (plus extra for topping)
½ cup (90 g) chocolate chips (optional, for extra gooeyness)

Step-by-Step Instructions

1. Prep the Pan

Preheat your oven to 350°F (175°C). Line your baking pan with parchment paper, leaving a bit hanging over the sides for easy lifting later. Give it a light spray of nonstick cooking spray—trust me, it saves headaches later.

2. Melt the Butter and Chocolate

In a large microwave-safe bowl, melt the butter and chopped chocolate together in 20-second bursts, stirring between each until smooth. You can also do this on the stovetop over low heat. Let it cool slightly so you don’t scramble the eggs later.

3. Whisk the Sugars and Eggs

Add both sugars to the melted chocolate and whisk until combined. Then, beat in the eggs one at a time, whisking until the batter looks glossy and thick. Add vanilla extract and stir again.

Tip: Don’t overbeat here—just enough to mix everything evenly.

4. Add the Dry Ingredients

Sift in the flour, cocoa powder, and salt. Use a rubber spatula to fold gently until no dry streaks remain. The batter should be thick and luscious.

5. Fold in the Oreos and Chocolate Chips

Now comes the fun part! Stir in the chopped Halloween Oreos and chocolate chips. Save a handful of Oreos for the top—because presentation matters.

6. Pour and Bake

Spread the batter evenly into your prepared pan. Press a few extra Oreos on top for that festive orange pop. Bake for 32–38 minutes, depending on how fudgy you like them.

When a toothpick inserted in the center comes out with a few moist crumbs, they’re ready.

7. Cool and Slice

Let the brownies cool completely in the pan. Use the parchment paper to lift them out, then slice into squares with a sharp knife. I like to chill mine for 20 minutes before cutting—it gives cleaner edges.

Serving Ideas

Serve warm with a scoop of vanilla ice cream and a drizzle of chocolate syrup.
Pair with a pumpkin spice latte or hot cocoa for a cozy night treat.
Cut into bite-size squares for a Halloween dessert platter.

Related: Funfetti Blondies Recipe

Variations and Customizations

Candy Overload: Add M&M’s or Reese’s Pieces on top before baking.
Extra Chocolate: Drizzle melted white or dark chocolate once cooled.
Gluten-Free Version: Substitute with 1:1 gluten-free flour blend.
Minty Twist: Use mint Oreos instead for a spooky green version.

Storage and Make-Ahead Tips

Room Temperature: Store in an airtight container for up to 4 days.
Fridge: Lasts up to a week (just let them come to room temp before serving).
Freezer: Wrap individual pieces in plastic and freeze for up to 3 months.

To reheat, pop a brownie in the microwave for 10–15 seconds for that just-baked gooeyness.

Pro Tips and Mistakes to Avoid

Don’t overbake. The biggest brownie crime! Pull them out when they look slightly underdone in the middle—they’ll finish setting as they cool.
Use good chocolate. It makes all the difference in flavor.
Let them cool. Cutting too early will give you messy edges and a crumbly texture.
Press Oreos gently on top. They’ll sink slightly but stay visible for that Halloween flair.

Recipe Details

Yield: 16 brownies
Prep Time: 15 minutes
Cook Time: 35 minutes
Total Time: 50 minutes

Per Serving (approx.):
Calories: 290 | Fat: 15g | Carbs: 38g | Protein: 3g | Sugar: 28g

Final Thoughts

If you want a Halloween dessert that’s equal parts fun and indulgent, these Halloween Oreo brownies are it. They’re rich, chewy, full of texture, and almost impossible to mess up. I promise, once you try them, you’ll be making them every October (and probably a few times after that).