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A close-up of a festive Halloween-themed brownie decorated with white and black icing to resemble a ghostly figure, garnished with mini Oreo cookies around the edges. The brownie has a glossy, fudgy surface with detailed spooky face decorations, set on a dark plate with spooky Halloween decorations in the background.

Spooktacular Boo Oreo Brownies: Easy & Festive Halloween Treat!

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Celebrate Halloween with these Spooktacular Boo Oreo Brownies! Delicious, festive, and easy to make, these brownies combine rich chocolate flavor with crunchy Oreo cookies, perfect for spooky parties and family gatherings. Decorate with fun Halloween decorations for a festive treat that everyone will love.

  • Total Time: 40-45 minutes
  • Yield: 16 servings

Ingredients

Scale
  • 1 cup unsalted butter, melted
  • 1 ½ cups granulated sugar
  • 3 large eggs
  • 2 teaspoons vanilla extract
  • 1 cup all-purpose flour
  • ¾ cup unsweetened cocoa powder
  • ½ teaspoon salt
  • 1 cup crushed Oreo cookies (plus additional for decoration)
  • Optional: Halloween-themed sprinkles or candy eyes for decoration

Instructions

  1. Preheat your oven to 350°F (175°C). Grease an 8×8-inch baking pan or line it with parchment paper.
  2. In a large mixing bowl, combine the melted butter and sugar. Whisk until smooth. Add eggs one at a time, beating well after each. Mix in vanilla extract.
  3. In a separate bowl, whisk together the flour, cocoa powder, and salt. Gradually add to the wet ingredients, mixing until just combined.
  4. Gently fold in the crushed Oreo cookies. Reserve some Oreos for topping, if desired.
  5. Pour batter into the prepared pan, spread evenly. Bake for 25-30 minutes or until a toothpick inserted in the center comes out with moist crumbs. Let cool completely.
  6. Once cooled, decorate with Halloween-themed sprinkles, candy eyes, or piped icing for a spooky effect. Add the reserved Oreos on top for extra flair.

Notes

  • For extra decoration, add Halloween-themed sprinkles or candy eyes on top.
  • Use gluten-free flour and gluten-free Oreos if making gluten-free brownies.
  • Adjust baking time based on your oven to prevent overbaking.
  • Author: Serena Miller
  • Prep Time: 15 minutes
  • Cook Time: 25-30 minutes
  • Category: Dessert
  • Method: Bake
  • Cuisine: American
  • Diet: Vegetarian

Nutrition

  • Serving Size: 1 brownie
  • Calories: 210 kcal Kcal
  • Sugar: 15 g
  • Sodium: 150 mg
  • Fat: 12 g
  • Saturated Fat: 7 g
  • Unsaturated Fat: 5 g
  • Trans Fat: 0 g
  • Carbohydrates: 25 g
  • Fiber: 2 g
  • Protein: 2 g
  • Cholesterol: 50 mg