🎉 Introduction
When it comes to Halloween, nothing beats a dessert that’s both delicious and playful. These Monster Mash Brownies deliver on both counts! Picture rich, fudgy brownies topped with bright frosting, candy eyeballs, sprinkles, and swirls of spooky colors. They’re the perfect blend of sweet treat and Halloween craft project.
Kids will love decorating these brownies into wacky monster faces, while adults will enjoy the indulgent chocolate base. Whether you’re hosting a Halloween bash, making treats for school, or just having a fun night in, these brownies will disappear quickly!
🧰 Equipment Needed
- 9×13-inch baking pan
- Mixing bowls
- Whisk & spatula
- Electric mixer (for frosting)
- Measuring cups & spoons
- Parchment paper
- Small piping bags or spoons (for decorating)
🛒 Ingredients
🥚 Fresh Produce:
- 3 large eggs
🌾 Dry & Pantry:
- 1 cup all-purpose flour
- 1 cup unsweetened cocoa powder
- 2 cups granulated sugar
- 1 tsp salt
- 1 tsp vanilla extract
🥛 Dairy:
- 1 cup unsalted butter, melted
- 8 oz cream cheese (for frosting)
- 4 cups powdered sugar
- ¼ cup milk
🎃 Halloween Fun:
- Food coloring (green, purple, orange)
- Candy eyeballs
- Halloween sprinkles
- Black decorating gel (optional for monster mouths)
👩🍳 Directions
Step 1 – Make the Brownies
- Preheat oven to 350°F (175°C). Line baking pan with parchment.
- In a bowl, whisk cocoa, flour, sugar, and salt.
- Stir in melted butter, eggs, and vanilla until smooth.
- Spread batter evenly into pan.
- Bake 28–32 minutes, until toothpick comes out with a few fudgy crumbs.
- Cool completely before frosting.
Step 2 – Make the Frosting
7. Beat cream cheese and butter until smooth.
8. Add powdered sugar gradually, beating until fluffy.
9. Mix in milk until spreadable.
10. Divide frosting into bowls, tint with Halloween food colors.
Step 3 – Decorate the Monsters
11. Spread or pipe frosting over cooled brownies in fun colors.
12. Add candy eyeballs, sprinkles, and draw mouths with black gel.
13. Cut into squares and let each brownie take on its own “monster personality.”
🍽️ Servings & Timing
- Servings: 12–16 brownies
- Prep Time: 20 minutes
- Bake Time: 30 minutes
- Decorating: 20 minutes
- Total Time: ~1 hour 10 minutes
🧊 Storage & Reheating
- Store decorated brownies in an airtight container at room temp for 2 days, or in the fridge for 5 days.
- Freeze unfrosted brownies for up to 2 months. Thaw before decorating.
- Best enjoyed fresh for maximum chewiness!
🥄 Variations
- Monster Mash Cupcakes: Use the same batter in muffin tins for individual monsters.
- Spiderweb Topping: Pipe white icing in webs instead of monster faces.
- Candy Mix-Ins: Stir M&Ms or chopped candy bars into the batter.
- Gluten-Free Option: Use a 1:1 gluten-free flour blend.
❓ 10 FAQs
- Can I use a boxed brownie mix?
Yes — it makes these even quicker. - Do I have to make frosting?
No — you can decorate with just melted chocolate and sprinkles. - Where do I find candy eyeballs?
Most grocery stores or craft stores in the baking aisle. - Can kids help decorate?
Absolutely — it’s the best part! - How do I get fudgy brownies instead of cakey?
Don’t overbake — keep them slightly underdone in the center. - Can I make these ahead?
Yes, bake the brownies a day before and decorate the next day. - Do I need to refrigerate them?
Only if frosted with cream cheese frosting. - What food coloring works best?
Gel food colors give vibrant Halloween shades. - Can I cut them into fun shapes?
Yes — use cookie cutters for bats, ghosts, or pumpkins. - How do I transport them for parties?
Leave uncut in the pan, cover tightly, and slice at the party.
🏁 Conclusion
These Monster Mash Brownies are the perfect mix of delicious and playful — rich chocolate squares topped with wild monster faces that will delight kids and adults alike. Fun to make, easy to decorate, and oh-so-spooky, they’re guaranteed to be the hit of your Halloween spread.
Monster Mash Brownies – Fun & Fudgy Halloween Treats
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Ingredients
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Equipment
Method
- Preheat oven to 350°F (175°C). Line baking pan with parchment.
- In a bowl, whisk cocoa, flour, sugar, and salt.
- Stir in melted butter, eggs, and vanilla until smooth.
- Spread batter evenly into pan.
- Bake 28–32 minutes, until toothpick comes out with a few fudgy crumbs.
- Cool completely before frosting.
- Beat cream cheese and butter until smooth.
- Add powdered sugar gradually, beating until fluffy.
- Mix in milk until spreadable.
- Divide frosting into bowls, tint with Halloween food colors.
- Spread or pipe frosting over cooled brownies in fun colors.
- Add candy eyeballs, sprinkles, and draw mouths with black gel.
- Cut into squares and let each brownie take on its own “monster personality.”
Notes
Yes — it makes these even quicker. Do I have to make frosting?
No — you can decorate with just melted chocolate and sprinkles. Where do I find candy eyeballs?
Most grocery stores or craft stores in the baking aisle. Can kids help decorate?
Absolutely — it’s the best part! How do I get fudgy brownies instead of cakey?
Don’t overbake — keep them slightly underdone in the center. Can I make these ahead?
Yes, bake the brownies a day before and decorate the next day. Do I need to refrigerate them?
Only if frosted with cream cheese frosting. What food coloring works best?
Gel food colors give vibrant Halloween shades. Can I cut them into fun shapes?
Yes — use cookie cutters for bats, ghosts, or pumpkins. How do I transport them for parties?
Leave uncut in the pan, cover tightly, and slice at the party. 🏁 Conclusion
These Monster Mash Brownies are the perfect mix of delicious and playful — rich chocolate squares topped with wild monster faces that will delight kids and adults alike. Fun to make, easy to decorate, and oh-so-spooky, they’re guaranteed to be the hit of your Halloween spread.
