Cauldron Brownie Bites with Green Icing Bubbles

Servings: 12 Total Time: 1 hr 5 mins Difficulty: Beginner
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Introduction

Halloween is all about bringing magic to the table, and what’s more magical than a bubbling witch’s cauldron? These Cauldron Brownie Bites turn fudgy brownies into mini cauldrons overflowing with green icing “bubbles.” Decorated with candy handles and sprinkles, they look like tiny bubbling pots of potion.

This recipe combines the rich decadence of brownies with playful Halloween decorating. Whether you’re throwing a Halloween party, making treats for school, or just want a fun kitchen activity with kids, these cauldron brownies are guaranteed to enchant your guests.

Why I Love This Recipe

I love this recipe because it’s cute, creative, and indulgent. Brownies are always a crowd-pleaser, and transforming them into witchy cauldrons makes them even more fun. The fudgy texture of the brownies pairs perfectly with the sweet icing, and decorating them feels like doing arts and crafts you can eat afterward.

It’s also a recipe that can be made ahead, which makes Halloween hosting less stressful. Plus, kids adore helping decorate—especially making the “bubbles” pop out of the cauldrons.

Why It’s a Must-Try Dish

  • Visually Stunning: Looks like bubbling cauldrons on your dessert table.
  • Crowd-Pleaser: Brownies + icing = guaranteed win.
  • Customizable: Play with colors, sprinkles, and decorations.
  • Perfect for Kids & Adults: Both spooky and whimsical.
  • Simple Yet Impressive: Easy steps but amazing results.

Recipe Overview

  • Preparation Time: 25 minutes
  • Cooking Time: 20 minutes
  • Decorating Time: 20 minutes
  • Total Time: ~1 hour 5 minutes
  • Servings: 12 brownie cauldrons
  • Calories per Serving: ~220–250 kcal

Cuisine & Course

  • Cuisine: American (Halloween novelty)
  • Course: Dessert / Party Treat

Ingredients

For the Brownie Bites

  • 1 box brownie mix (or homemade, about 18 oz)
  • Eggs, oil, and water as per package directions
  • 12 mini Reese’s Peanut Butter Cups (or Rolos) for cauldron bases

For the Green Icing “Bubbles”

  • 1 cup powdered sugar
  • 2 tablespoons butter (softened)
  • 1–2 tablespoons milk
  • Green gel food coloring

Decorations

  • Black licorice strings or pretzel sticks (for cauldron handles)
  • Green Sixlets, M&Ms, or Skittles (for extra bubbles)
  • Halloween sprinkles (optional)

Simple Cooking Directions

  1. Bake brownie bites in a mini muffin tin.
  2. Let cool, then press a candy base into each to form a “cauldron.”
  3. Make green icing and pipe bubbling “slime” on top.
  4. Decorate with candy bubbles, sprinkles, and handles.

Step-by-Step Preparation Method

Step 1: Make the Brownies

  • Prepare brownie batter as per box or homemade recipe.
  • Grease a mini muffin pan and fill cups ¾ full with batter.
  • Bake at 350°F (175°C) for 18–20 minutes until set.
  • Let cool completely before decorating.

Step 2: Add Cauldron Bases

  • Turn each brownie bite upside down (flat side up).
  • Attach a Reese’s (or Rolo) to the bottom with a bit of melted chocolate or icing for stability.

Step 3: Make the Green Icing

  • In a bowl, beat powdered sugar and butter until combined.
  • Add milk gradually until a thick but pipeable consistency forms.
  • Tint with green food coloring until vibrant.

Step 4: Decorate the Cauldrons

  • Pipe green icing on top of each brownie to resemble bubbling potion.
  • Stick green candies (M&Ms, Sixlets, Skittles) into the icing for 3D “bubbles.”
  • Insert small black licorice strings or pretzels for handles.
  • Add sprinkles for extra spooky effect.

How to Serve

  • Arrange on a dark serving platter for full Halloween effect.
  • Surround with plastic spiders, cobwebs, or candy bones for presentation.
  • Best served at room temperature.

Additional Recipe Tips

  • Chill brownies before decorating for easier handling.
  • Use a piping bag or zip-top bag with the corner snipped for neat icing.
  • For super fudgy brownies, underbake by 1 minute and let cool in pan.
  • If handles don’t stay, secure them with a dab of icing.

Variations

  • Witches’ Brew Colors: Swap green icing for purple or neon orange.
  • Monster Cauldrons: Add candy eyeballs to make it extra creepy.
  • Spider Web Cauldrons: Pipe white web patterns over the green icing.
  • Gluten-Free: Use a gluten-free brownie mix.

Freezing & Storage

  • Storage: Store decorated cauldrons in an airtight container at room temp for 2 days or refrigerated for up to 5 days.
  • Freezing Brownie Bites: Freeze undecorated brownie bases for up to 2 months. Thaw before decorating.
  • Freezing Decorated Cauldrons: Not recommended (icing may melt).

Special Equipment Needed

  • Mini muffin pan
  • Piping bag (or zip-top bag)
  • Mixing bowls & spatula
  • Small offset spatula (for spreading icing)

Conclusion

Cauldron Brownie Bites with Green Icing Bubbles are the perfect blend of spooky fun and chocolaty indulgence. Easy to make, endlessly customizable, and incredibly festive, these little cauldrons are guaranteed to impress at any Halloween party.

From their bubbling green tops to their rich, fudgy centers, they’re as magical to eat as they are to look at. Whip up a batch this Halloween, and watch your guests be enchanted by these wickedly delicious cauldrons.

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Cauldron Brownie Bites with Green Icing Bubbles

Difficulty: Beginner Prep Time 25 mins Cook Time 20 mins Rest Time 20 mins Total Time 1 hr 5 mins
Servings: 12 Calories: 250 kcal

Description

Halloween is all about bringing magic to the table, and what’s more magical than a bubbling witch’s cauldron? These Cauldron Brownie Bites turn fudgy brownies into mini cauldrons overflowing with green icing “bubbles.” Decorated with candy handles and sprinkles, they look like tiny bubbling pots of potion.

Ingredients

For the Brownie Bites

For the Green Icing “Bubbles”

Decorations

Instructions

  1. Step 1: Make the Brownies : Prepare brownie batter as per box or homemade recipe. Grease a mini muffin pan and fill cups ¾ full with batter. Bake at 350°F (175°C) for 18–20 minutes until set. Let cool completely before decorating.
  2. Step 2: Add Cauldron Bases : Turn each brownie bite upside down (flat side up). Attach a Reese’s (or Rolo) to the bottom with a bit of melted chocolate or icing for stability.
  3. Step 3: Make the Green Icing : In a bowl, beat powdered sugar and butter until combined. Add milk gradually until a thick but pipeable consistency forms. Tint with green food coloring until vibrant.
  4. Step 4: Decorate the Cauldrons : Pipe green icing on top of each brownie to resemble bubbling potion. Stick green candies (M&Ms, Sixlets, Skittles) into the icing for 3D “bubbles.” Insert small black licorice strings or pretzels for handles. Add sprinkles for extra spooky effect.
Keywords: Cauldron Brownie Bites with Green Icing Bubbles
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Frequently Asked Questions

Expand All:

Q1: Can I use homemade brownies instead of a mix?

Yes! Just make sure the batter is thick enough to hold shape in mini muffin pans.

Q2: Can I make these ahead of time?

Yes, bake brownies a day ahead and decorate on the day of serving.

Q3: Can I skip the candy base?

Yes, but the Reese’s adds sturdiness and makes them look more like cauldrons.

Q4: Can kids help with this recipe?

Absolutely—kids love decorating with icing and candies.

Q5: How do I keep the icing from melting?

Use butter-based icing and avoid warm/humid conditions. Store in a cool place.

Samantha Doe Food and Lifestyle Blogger

Hi, I'm Samantha, a full-time food blogger, mother of 2 beautiful daughters and a lovely wife. I live in New Jersey with my family. Loves traveling, sharing new recipes, and spending time with my family.

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