Monster Mash Brownies are rich, fudgy brownies loaded with colorful candies, cookies, and Halloween mix-ins. I love how they’re spooky, fun, and totally indulgent.
Why You’ll Love This Recipe
I love how festive and easy these brownies are to make. They start with a basic brownie base, then get topped with crushed cookies, sprinkles, candy eyes, and whatever else I want. They’re perfect for parties, trick-or-treat snacks, or baking with kids.
Ingredients
(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)
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Brownie mix (or homemade brownie batter)
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Eggs, oil, and water (if using boxed mix)
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Chocolate sandwich cookies
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Candy-coated chocolates (Halloween colors)
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Candy eyeballs
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Halloween sprinkles
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Optional: peanut butter cups, marshmallows
Directions
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I prepare the brownie batter as directed and pour it into a greased baking pan.
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I sprinkle the top with crushed cookies, candies, and sprinkles.
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I bake according to the brownie instructions.
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I let them cool before slicing into squares.
Servings and timing
Makes 12–16 brownies
Prep time: 10 minutes
Bake time: 25–30 minutes
Total time: 40 minutes
Variations
I swap in caramel bits or chopped candy bars. I’ve also made them with a layer of marshmallows or swirled in peanut butter before baking.
Storage/Reheating
I store them in an airtight container at room temperature for 3–4 days. To reheat, I warm them in the microwave for 10–15 seconds.
FAQs
Can I use homemade brownies?
Yes, I love using a from-scratch batter for extra richness.
Can I make these gluten-free?
Yes, I use a gluten-free brownie mix and cookies.
How do I keep the toppings from sinking?
I press them gently into the top halfway through baking or after pouring the batter.
Can I freeze these?
Yes, they freeze well for up to 2 months.
Are they too sweet?
They’re sweet and rich, but I balance that with a dark chocolate brownie base.
Conclusion
Monster Mash Brownies are fudgy, festive, and fun to make. I love how creative I can get with the toppings—and they always disappear fast.
Print
Monster Mash Brownies
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Total Time: 40 minutes
- Yield: 12–16 brownies
- Category: Dessert, Halloween
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
Monster Mash Brownies are rich, fudgy Halloween treats topped with colorful candies, cookies, and spooky mix-ins. They’re festive, fun to make, and perfect for parties or baking with kids.
Ingredients
- 1 box brownie mix (or homemade brownie batter)
- Ingredients listed on brownie mix (typically eggs, oil, and water)
- 1/2 cup chocolate sandwich cookies, crushed
- 1/2 cup candy-coated chocolates (Halloween colors)
- 1–2 tbsp candy eyeballs
- 2 tbsp Halloween sprinkles
- Optional: chopped peanut butter cups or mini marshmallows
Instructions
- Preheat oven according to brownie package or recipe instructions. Grease or line a baking pan.
- Prepare brownie batter as directed on the box or recipe.
- Pour batter into prepared pan and spread evenly.
- Sprinkle with crushed cookies, candies, candy eyeballs, and sprinkles. Gently press toppings into batter.
- Bake as directed, 25–30 minutes or until a toothpick comes out with moist crumbs.
- Cool completely before slicing into squares.
Notes
- Homemade batter: Use your favorite brownie recipe for extra richness.
- Topping tip: Press candies in halfway through baking to keep them visible.
- Add-ins: Swirl in peanut butter, add caramel bits, or top with marshmallows.
- Gluten-free option: Use gluten-free brownie mix and cookies.
- Storage: Store at room temp for 3–4 days or freeze for up to 2 months.
Nutrition
- Serving Size: 1 brownie
- Calories: 250
- Sugar: 22g
- Sodium: 150mg
- Fat: 12g
- Saturated Fat: 5g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 33g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 25mg
