Halloween Oreo Cookie Boo Brownies (Printer-Friendly)

Fudgy brownies with crunchy Oreo cookies and vibrant Halloween toppings for a fun, festive dessert treat.

# List of Ingredients:

→ Brownie Batter

01 - 1 cup (2 sticks, 226g) unsalted butter, melted and slightly cooled
02 - 2 cups (400g) granulated sugar
03 - 4 large eggs, room temperature
04 - 1 tablespoon pure vanilla extract
05 - 1 cup (120g) all-purpose flour
06 - 1 cup (90g) unsweetened cocoa powder
07 - 1/2 teaspoon fine sea salt
08 - 1 cup (175g) semisweet chocolate chips

→ Oreo Topping

09 - 16-18 Halloween themed Oreo cookies, some roughly chopped and some left whole

# Preparation Steps:

01 - Line a 9x13-inch rectangular baking pan with parchment paper, leaving some overhang on the sides for easy brownie removal. Lightly grease the paper with nonstick spray or butter.
02 - In a large mixing bowl, whisk together the melted butter and granulated sugar until glossy and well incorporated. Add eggs one at a time, blending thoroughly after each addition. Stir in vanilla extract.
03 - Sift the all-purpose flour, unsweetened cocoa powder, and salt into the wet ingredients. Gently fold the mixture with a spatula or wooden spoon, mixing just until combined with no visible flour streaks.
04 - Reserve several whole Oreo cookies for topping. Gently fold chocolate chips and half of the roughly chopped Oreos into the brownie batter, distributing evenly.
05 - Pour the batter into the prepared pan and smooth the top with a spatula. Nestle whole and remaining chopped Oreos over the surface, ensuring festive designs face up for decorative presentation.
06 - Transfer pan to a preheated 350°F (176°C) oven and bake for 30 to 35 minutes, or until the edges are set and a toothpick inserted into the center comes out with a few moist crumbs. Do not overbake for optimal fudginess.
07 - Remove brownies from oven and cool completely in the pan on a wire rack. For cleaner cuts, refrigerate for 30-60 minutes before slicing with a sharp chef's knife. Wipe knife clean after each cut.

# Additional Suggestions:

01 - For easiest removal and clean presentation, line the pan with parchment paper and slightly chill brownies before slicing.
02 - Avoid overbaking for the best fudgy texture; test doneness by inserting a toothpick in several spots, avoiding melted chocolate chips.
03 - For festive appearance, position whole Oreos with designs facing up before baking.

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