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Use room-temperature eggs for smoother batter
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Don’t overbake — slightly underdone brownies stay fudgy
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Line the pan for easy lifting and clean cuts
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Chill brownies for 30 minutes before slicing for sharp layers
🔄 Fun Variations
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Mint Oreo Brownies: Use mint Oreos for a cool twist
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Peanut Butter Oreo: Add peanut butter chips to the batter
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Double Chocolate: Stir in chocolate chips
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Cookies & Cream: Add white chocolate chips to the batter
🧊 Storage & Make-Ahead
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Store in an airtight container at room temperature for 2 days
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Refrigerate for up to 5 days
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Freeze sliced brownies for up to 2 months
⏱️ Time & Serving Info
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Prep Time: 15 minutes
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Bake Time: 40–45 minutes
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Cooling Time: 30 minutes
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Servings: 16–20
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Calories: ~360 per brownie
🖤 Final Thoughts
These Oreo Layered Halloween Brownies are rich, dramatic, and completely irresistible — the kind of dessert people ask you to bring every year. With fudgy chocolate layers and that hidden Oreo crunch, they’re spooky-season perfection in every bite.