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Halloween Oreo Brownies

Stacked Halloween Oreo brownies with a festive jack-o’-lantern Oreo on top and swirls of orange cream in rich chocolate layers.

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These Halloween Oreo Brownies are fudgy, chewy, and loaded with Halloween-themed Oreo cookies and chocolate chips. Perfect for parties, gifting, or festive dessert boards, they’re easy to decorate and packed with spooky fun.

Ingredients

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  • 1 cup unsalted butter, melted
  • 1 1/4 cups granulated sugar
  • 3/4 cup brown sugar
  • 3 large eggs
  • 1 tbsp vanilla extract
  • 3/4 cup unsweetened cocoa powder
  • 1 cup all-purpose flour
  • 1/2 tsp salt
  • 1 cup semi-sweet chocolate chips
  • 20 Halloween Oreo cookies (crushed and whole)

Instructions

  1. Preheat the oven to 350°F (175°C). Line an 8×8-inch metal baking pan with parchment paper.
  2. In a large bowl, whisk together melted butter, granulated sugar, brown sugar, eggs, and vanilla until well combined.
  3. Sift in cocoa powder, flour, and salt. Stir until a smooth batter forms.
  4. Fold in chocolate chips and two-thirds of the crushed Halloween Oreos.
  5. Pour the batter into the prepared pan and smooth the top with a spatula.
  6. Gently press whole Halloween Oreos onto the surface, design-side up.
  7. Bake for 30–35 minutes, or until a toothpick inserted in the center comes out with moist crumbs.
  8. Allow the brownies to cool completely in the pan. Refrigerate for cleaner slicing if desired.
  9. Use a large chef’s knife to cut the brownies into squares. Wipe the knife clean between each cut.

Notes

  • Do not overbake—check multiple spots with a toothpick for accuracy.
  • Use themed parchment paper for a festive touch.
  • Chill brownies before slicing for neat, sharp edges.
  • Store in an airtight container for up to 3 days, or freeze for up to 2 months.
  • Swap with gluten-free ingredients if needed.

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