Halloween Oreo Brownies Recipe for Spooky Season

Fudgy squares with chopped Oreos, a dark chocolate drizzle, and Halloween sprinkles

Halloween Oreo Brownies on a stack

Truth be told, Halloween is my least favorite holiday. I do not like scary things. I do like the candy, and I like the kids in costumes, so I keep the holiday to the parts I like. Halloween Oreo brownies are the candy part, and nothing about them is scary, which makes them a fun Halloween dessert.

Of all the brownie recipes out there, this one is built from simple ingredients: melted butter and unsweetened chocolate, sugar, eggs, vanilla and a little flour. The dry ingredients are nothing but that flour. There is no boxed mix, no brown sugar, no cocoa powder and no black cocoa, and you probably have most of it in the kitchen right now. Chopped Oreo cookies go into the batter, melted dark chocolate goes over the top, and Halloween sprinkles finish the pan.

The Oreos go in twice, once in the batter and once on top, so there is cookie in every bite and a little crunch against fudgy brownies. The sprinkles do nothing for the flavor but they do look festive.

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Dark Chocolate Halloween Oreo Cookie Brownies

Ingredients for Halloween Brownies

Start with 1/2 cup of unsalted butter and 2 ounces of unsweetened chocolate, which melt together in a medium saucepan. The rest of the batter is 2 large eggs, 1 cup of white granulated sugar, 1 teaspoon of vanilla extract, and 3/4 cup of all-purpose flour. There is no salt and no baking powder in this recipe.

For the Halloween part, you need 12 Oreo cookies, chopped, and 1/2 cup of chocolate chips for melting and drizzling. I use 60% Ghirardelli. A shaker of Halloween sprinkles finishes the top. You also need nonstick cooking spray and parchment paper for an 8×8-inch baking pan.

dark chocolate drizzled over Halloween Oreo brownies

Directions

Heat the oven to 350°F. Line an 8×8-inch square baking pan with parchment paper, spray it with nonstick cooking spray, and set it aside.

Melt the butter and unsweetened chocolate together in a medium saucepan over low heat, stirring until smooth. Take the pan off the heat and let it cool for a few minutes so the eggs do not scramble.

Stir the sugar, vanilla extract and eggs right into the saucepan. Move everything to a large mixing bowl if you prefer or continue to mix in the pan. Fold in the flour, which is the only dry ingredient, then the chopped Oreos, saving a little bit of the chopped Oreos for the top. Stop when only a few streaks of flour remain. Overmixing is the quickest way to lose the fudgy texture.

Spread the brownie batter evenly into the prepared pan, scraping the remaining brownie batter out of the bowl. Sprinkle the top with the Oreo cookies. Baking time is 30 minutes at 350°F. A toothpick in the center should come out with moist crumbs. Do not overbake. Cool the brownies completely on a wire rack.

Once the brownies are cooled, melt the chocolate chips, stirring until smooth, and drizzle them over the top of the brownies. Sprinkle on the Halloween sprinkles while the chocolate is still wet so they stay put on the top of the Oreos and the chocolate. Let the chocolate set, then cut into squares.

Tips for Cutting Halloween Oreo Brownies

The hardest part is waiting. Cool the brownies all the way before you drizzle anything, because warm brownies melt the chocolate right off and the sprinkles slide around. Cooled brownies also give you clean slices. Use a sharp knife and wipe the blade between cuts, since the cookie crumbs and chocolate drag along the edge otherwise. Store leftovers in an airtight container at room temperature if you have any.

Variations

Halloween sprinkles are what I used, but there are other ways to dress the top of the brownies. Press chopped leftover Halloween candy into the wet chocolate next time you have a bowl of it to get rid of, and candy corn, gummy worms and candy eyes work too. Halloween Oreos with orange creme can stand in for regular Oreos and give you the Halloween colors with no extra decorating. For a different look, press whole Oreos into the top of the brownie batter before baking, and check them early because the baking time may change.

Cut into smaller pieces, they turn into Halloween Oreo brownie bars. A muffin tin would give you individual brownies, though again the baking time would need watching. Either way they cut into tidy squares or rounds that are easy to bring to a Halloween party.

That is the whole recipe, a perfect treat for the Halloween season and for anyone who is not a fan of spooky season. Cut the pan into squares, stack a few on a plate, and try to leave a couple for tomorrow. What is the best costume you ever saw come up your front steps?

Come find me on Pinterest and pin these Halloween Oreo brownies for next October.

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Halloween Oreo Brownies on a stack

Halloween Oreo Brownies Recipe for Spooky Season

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Fudgy brownies with chopped Oreos, a dark chocolate drizzle, and Halloween sprinkles.

  • Total Time: 40 minutes
  • Yield: 9 servings 1x

Ingredients

Units Scale

1/2 cup unsalted butter

2 ounces unsweetened chocolate

2 large eggs

1 cup white granulated sugar

1 teaspoon vanilla extract

3/4 cup all-purpose flour

12 Oreo cookies, chopped, divided

1/2 cup 60% cacao chocolate chips (Ghirardelli), melted, for drizzling

Halloween sprinkles, for topping

Instructions

  1. Heat the oven to 350°F. Line an 8×8-inch square pan with parchment paper, spray with nonstick cooking spray, and set aside.
  2. In a medium saucepan over low heat, melt the butter and unsweetened chocolate together, stirring until smooth. Remove from the heat and cool for a few minutes.
  3. Stir in the sugar, vanilla extract and eggs.
  4. Fold in the flour, then most of the chopped Oreos, saving a small handful for the top. Stop when a few streaks of flour remain. Do not overmix.
  5. Spread the batter evenly into the prepared pan. Then dot the top with the remaining Oreo cookies. Bake at 350°F for 30 minutes. A toothpick in the center should come out with moist crumbs. Do not overbake.
  6. Cool completely on a wire rack.
  7. Melt the chocolate chips and drizzle over the cooled brownies. Sprinkle with Halloween sprinkles while the chocolate is wet. Let set, then cut into squares with a sharp knife.
  • Author: Elizabeth
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Bakes

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