Melted Jack O’ Lantern Brownies for Halloween Fun

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Introduction

Halloween brings out the chaos, and I mean that in the best way. Costumes, candy, weirdly shaped cookies—it’s all part of the tradition. But if you want something that screams Halloween without requiring a food art degree, these Melted Jack O’ Lantern Brownies are the way to go. Think rich, fudgy brownies topped with a gooey melted marshmallow “pumpkin” face. They’re spooky, sweet, and just the right amount of silly.

This recipe was born from leftover marshmallows and an epic sugar craving. I wanted to make something festive but low-effort. The result? Brownies that look like little jack o’ lanterns met a microwave meltdown—and they taste like chocolate heaven. Kids go nuts for them, adults laugh at them, and everyone grabs seconds.

You don’t need a fancy brownie recipe here. Use your best from-scratch version or grab a box mix—no judgment. The magic is in the decorations: orange icing, candy eyes, chocolate faces. Each one turns out a little different, which only adds to their charm. They’re fun to make, even more fun to eat, and perfect for parties, bake sales, or late-night horror movie marathons.

So put on your Halloween playlist and let’s get messy. These brownies are about to steal the show.

jack o' lantern brownies
jack o’ lantern brownies

Why You’ll Love This Recipe

  • Easy to make with brownie mix or from scratch
  • Kid-friendly decorating with marshmallows and icing
  • Festive and funny Halloween theme
  • Perfect for parties or school events
  • No piping skills required
  • Totally customizable and creative

Ingredients

  • 1 batch of brownies (boxed mix or homemade), baked and cooled
  • 12 large marshmallows
  • Orange icing (store-bought or homemade)
  • Candy eyeballs
  • Melted chocolate or black decorating gel (for faces)
  • Cooking spray or parchment paper

Instructions/Method

  1. Bake your brownies in a 9×13-inch pan according to package or recipe directions. Let cool completely.
  2. Cut the brownies into 12 squares and transfer them to a parchment-lined tray.
  3. Spray a microwave-safe plate lightly with cooking spray. Place a marshmallow on the plate and microwave for 10–15 seconds until it puffs and begins to melt.
  4. Quickly transfer the melted marshmallow onto a brownie using a fork or spatula. Gently spread it to look like a melting face.
  5. Repeat for all brownies.
  6. Use orange icing to tint the marshmallow “pumpkin” and add color.
  7. Stick candy eyes onto each melted marshmallow.
  8. Use melted chocolate or decorating gel to draw spooky or silly jack o’ lantern faces.
  9. Let the decorations set before serving.

Tips & Variations

  • Use different colors of icing for a fun twist—green for zombies, white for ghosts.
  • Add a pinch of pumpkin spice to the brownie batter for a fall flavor.
  • Use jumbo marshmallows for extra gooey effect.
  • Want more drama? Sprinkle edible glitter or crushed cookies on top.

Note

Work fast with the marshmallows—once they’re melted, they set quickly. Microwave one at a time for best results. Also, don’t overheat them or you’ll have sugar lava on your hands.

jack o' lantern brownies
jack o’ lantern brownies

Serving Suggestions

  • Serve on a spooky-themed platter for parties.
  • Wrap individually in cellophane for school treats.
  • Add to a Halloween dessert table with cookies and cupcakes.
  • Serve warm with a scoop of vanilla ice cream for extra indulgence.

Nutrition Information

Per brownie (based on 12 brownies):

  • Calories: 280
  • Fat: 12g
  • Carbohydrates: 40g
  • Sugar: 29g
  • Protein: 2g
  • Fiber: 1g

User Reviews/Comments

“My kids thought these were hilarious and delicious. We laughed the whole time making them.” — Kara B.

“I brought these to our Halloween block party and they were gone in ten minutes. Super cute!” — Robyn D.

“I used chocolate chips for eyes and added pumpkin spice to the mix—total win.” — Jake L.

FAQs

Can I use mini marshmallows instead?
You can, but the effect won’t be as dramatic. Stick to large or jumbo marshmallows for best results.

How long do these keep?
Store in an airtight container at room temperature for up to 3 days. The marshmallows will get firmer over time but still taste great.

Can I make them ahead of time?
Yes, but decorate the day you plan to serve for best visual effect.

What if I don’t have orange icing?
Tint white icing with a few drops of orange food coloring or skip it—the faces are the real star.

Can I use a different type of brownie?
Absolutely. Fudge, chewy, cakey—whatever style you love works fine.

jack o' lantern brownies
jack o’ lantern brownies

Conclusion

These Melted Jack O’ Lantern Brownies might look like they escaped from a haunted oven, but don’t let the chaos fool you. They’re tasty, they’re festive, and they’re ridiculously fun to make. Whether you’re throwing a Halloween bash or just want a spooky snack with some flair, these brownies bring the party. Curious about the origins of jack o’ lanterns themselves? Check out the Wikipedia article on Jack-o’-lanterns and see how far we’ve come from carving turnips. Now grab that marshmallow and make it scream.

Print
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jack o' lantern brownies

Melted Jack O’ Lantern Brownies for Halloween Fun


Ingredients

Scale
  • 1 batch of brownies (boxed mix or homemade), baked and cooled
  • 12 large marshmallows
  • Orange icing (store-bought or homemade)
  • Candy eyeballs
  • Melted chocolate or black decorating gel (for faces)
  • Cooking spray or parchment paper

Instructions

  1. Bake your brownies in a 9×13-inch pan according to package or recipe directions. Let cool completely.
  2. Cut the brownies into 12 squares and transfer them to a parchment-lined tray.
  3. Spray a microwave-safe plate lightly with cooking spray. Place a marshmallow on the plate and microwave for 10–15 seconds until it puffs and begins to melt.
  4. Quickly transfer the melted marshmallow onto a brownie using a fork or spatula. Gently spread it to look like a melting face.
  5. Repeat for all brownies.
  6. Use orange icing to tint the marshmallow “pumpkin” and add color.
  7. Stick candy eyes onto each melted marshmallow.
  8. Use melted chocolate or decorating gel to draw spooky or silly jack o’ lantern faces.
  9. Let the decorations set before serving.

Notes

  • Use different colors of icing for a fun twist—green for zombies, white for ghosts.
  • Add a pinch of pumpkin spice to the brownie batter for a fall flavor.
  • Use jumbo marshmallows for extra gooey effect.
  • Want more drama? Sprinkle edible glitter or crushed cookies on top.