Hot Chocolate Bombs

Featured in Indulgent Dessert Recipes to Satisfy Any Sweet Tooth.

Melt chocolate and form shells, fill with your favorite cocoa mix and marshmallows, then pour hot milk over for a magical moment.

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Updated on Tue, 06 May 2025 13:28:32 GMT
Close-up of round chocolate desserts drizzled with chocolate, topped with marshmallows and sprinkles. Pin it
Close-up of round chocolate desserts drizzled with chocolate, topped with marshmallows and sprinkles. | chefmelt.com

I've gotta tell you about turning these DIY hot chocolate bombs into my winter gift tradition. Last winter, I watched my kids flip out over some store ones and thought 'I can definitely top these!' After twenty tries and chocolate everywhere, I finally nailed it. Now every holiday season my kitchen transforms into bomb central, and my friends start hinting about them as soon as fall hits.

Cracking the Code

Through tons of failed attempts at my DIY creation (including one batch that turned into a puddle before I could give them away!), I now know that picking good chocolate is key. Don't even think about using those baking chips sitting in your cabinet - I tried and ended up with a complete disaster. For this simple method to work perfectly, you'll want quality chocolate containing actual cocoa butter. I always reach for Callebaut, but Ghirardelli does the job too if that's what's available.

Getting Ready

What You'll Need
Pick up some quality chocolate - about 12 ounces makes 6 bombs. Find sphere molds (mine came cheap from online), and get fresh marshmallows - don't use the stale ones sitting around forever. For hot cocoa mix, I prefer mixing my own using Dutch cocoa with a tiny bit of sea salt.
Workspace Prep
Make room on your counters - things get messy at first. Get your tools ready: thermometer, spatula, a brush for coating molds (I actually use a clean makeup brush - it works amazingly!), and parchment paper for your work area.
Watch the Room
Something I wish somebody told me when I started: keep your kitchen cool, around 70°F. I figured this out when my first batch wouldn't harden during a hot drink party. Lower that thermostat before you begin!

Crafting Your Bombs

Getting Chocolate Ready
Cut your chocolate into tiny bits - think confetti-sized pieces. Bigger chunks won't melt right (I found out the hard way). Warm up 2/3 of it carefully to exactly 100°F - I go with 20-second microwave bursts, mixing between each. Once melted, mix in the remaining chocolate until it's completely smooth.
Creating Shells
Coat your molds with a thin chocolate layer. Chill for 5 minutes - not longer or you'll get moisture buildup. Add another coat, making the edges a bit thicker. This stops breaking later - I've been there!
Putting It Together
Once shells harden, fill half with cocoa mix and marshmallows. For joining them, warm a pan and touch the empty half's edges to it for a split second - quick melting creates a perfect join!

Fixing Common Problems

Real talk - even with this simple DIY approach, things can go sideways. Streaky chocolate usually means temperature issues - shoot for that goldilone between 88-91°F. Shells won't come out? Stick them in the freezer for exactly 3 minutes. Left fingerprints on your finished bombs? A quick touch with a warm brush sorts that out. Remember, even the not-so-pretty ones taste fantastic!

A tray of decorative chocolate cocoa bombs topped with various designs and surrounded by small marshmallows and chocolate shavings. Pin it
A tray of decorative chocolate cocoa bombs topped with various designs and surrounded by small marshmallows and chocolate shavings. | chefmelt.com

Personal Touches

After you've mastered the basics, get creative! I love throwing peppermint pieces into the cocoa mix for Christmas, or a dash of cinnamon and cayenne for Mexican-style bombs. My kids go crazy for their favorite version with colorful sprinkles inside - they've named them 'unicorn bombs.' Try coating molds with colored cocoa butter first to create awesome marbled effects.

Keeping and Gifting

These DIY treats need proper storage. Put them somewhere cool and dry - I use the cabinet farthest from my stove. They'll stay good about three weeks if you can stop yourself from eating them! When giving as gifts, I wrap each bomb in a clear cellophane bag tied with ribbon. Add a small card saying 'Drop into hot milk, watch it open up, stir and enjoy!' Fair warning: once you start giving these as presents, you'll be making them every cold season!

Frequently Asked Questions

→ Why isn't my chocolate firming up?

Keep the chocolate at 88-91°F while working. Overheating or cooling too much stops it from setting properly and looking shiny.

→ What can I use if I don’t have molds?

Try cupcake liners instead. Add layers of chocolate one at a time to shape your bomb.

→ Do I really need gloves for this?

Yes, gloves keep fingerprints off the chocolate, making it neat and smooth.

→ Which type of milk gives the best results?

Whole milk is the creamiest option, though 2% works fine. Heat it until almost bubbling for the best effect.

→ How should I store leftover bombs?

Store them in a dry, cool, airtight container. If the chocolate’s tempered, they’ll last several weeks.

Hot Chocolate Bombs

Chocolate shells loaded with cocoa powder and marshmallows. Add hot milk and enjoy watching it melt into a creamy drink.

Prep Time
60 Minutes
Cook Time
10 Minutes
Total Time
70 Minutes

Category: Dessert Recipes

Difficulty: Difficult

Cuisine: American

Yield: 6 Servings (6 bombs)

Dietary: Vegetarian, Gluten-Free

Ingredients

01 6 cups milk to pair.
02 1/4 cup hot chocolate mix.
03 18-24 small marshmallows.
04 Sprinkles if you want.
05 12 oz of semi-sweet chocolate.

Instructions

Step 01

Start by melting 8 oz of chocolate to 100°F using a double boiler. Take it off the heat, then mix in the rest of the chocolate until it cools between 88-91°F.

Step 02

Coat molds or cupcake liners with chocolate using a brush. Let it dry, put on another coat, and wait until they're fully set.

Step 03

In half of the shells, toss in the cocoa mix, marshmallows, and some sprinkles if you'd like.

Step 04

Brush chocolate along the edges to join the two shells together, or add more chocolate to cover filled cupcake liners.

Step 05

Use gloves to avoid smudges, and finish with sprinkles or a drizzle if you'd like.

Step 06

Pop a bomb into steaming milk. Stir it all together once it melts.

Notes

  1. Keep track of the chocolate's temperature.
  2. Cupcake liners work just as well as molds.
  3. Use gloves to keep them clean while handling.

Tools You'll Need

  • Cupcake liners or sphere molds.
  • Thermometer to check heat.
  • Double boiler setup.
  • Pastry brush for painting chocolate.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy.
  • Possible soy traces.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 450
  • Total Fat: 24 g
  • Total Carbohydrate: 52 g
  • Protein: 8 g