The most fun way to whip up a mug of hot cocoa is with a Hot Chocolate Bomb and this recipe is simple, chocolate-y goodness! Easy to make Hot Cocoa Bombs make a great gift idea.

Hot chocolate bombs on a marble plate in red and white cupcake wrappers.


Hot Chocolate Bombs

If you’re even remotely ever on social media, you already know the latest food craze is the Hot Chocolate Bomb. Exploding on TikTok and Instagram, this chocolatey drink is a mug filled with magic!

We dove right into this craze with both feet and have never looked back. I love that you can easily customize your Hot Cocoa Bombs to fit any dietary or allergy needs. And you can decorate them for whatever holiday or event you want. They’re not just for Christmas!

If you’re new to the Hot Chocolate Bomb trend, you will be hooked immediately after trying one. They’re sold at many bakeries and you may be able to find them at Costco, Walmart or Target but they’re often sold out.

So, I made my own hot chocolate bomb recipe and it’s amazingly easy to do! I even made a little video over on Instagram for my BOOZY Hot Chocolate Bomb!

Boozy Hot chocolate bomb on a white background.

What are Hot Chocolate Bombs?

Hot Chocolate Bombs are round, hollow chocolate spheres that are filled with marshmallows, hot cocoa mix and sprinkles. They’re called “bombs” because they explode when you pour hot milk over top to melt the chocolate.

They’re incredibly easy to make at home and so much fun to melt BUT you will need the right tools.

Ingredients for Hot Chocolate Bombs

To make the best hot chocolate bombs, you’ll need a hot chocolate bomb mold, also known as a silicone dome mold.

  • Chocolate – You can use any flavor chocolate from dark chocolate, bittersweet or white chocolate. We like to use milk chocolate for the kids because it has a milder flavor. Be sure to use a high quality chocolate bar or chocolate melts and not chocolate chips. The meltability is much better when you use a good chocolate.
  • Cocoa Mix – I’m split on the opinion of whether you need to add cocoa mix or not. If you do want to add a spoonful of cocoa mix to your bombs, try this homemade hot cocoa mix. It’s infinitely better than anything you’ll buy in the store. But store-bought hot chocolate powder is such a time saver, just find your favorite hot cocoa mix.
  • Marshmallows – Again, homemade marshmallows are best here but you can use whatever your favorite marshmallows are. Mini marshmallows are fun because you get a flurry of marshmallows when your bomb explodes.
  • Sprinkles – You don’t have to use sprinkles but they’re a fun extra. Most of them will sink to the bottom and sometimes the colors run turning your hot cocoa a weird color. But they’re still a blast.
  • Extras – The sky’s the limit here on what you can put in your bomb but if you’re putting anything liquid in there like caramel sauce or booze, leave out the marshmallows, sprinkles and cocoa mix. They’ll only turn to goo and could ruin your cocoa bomb.

For a full ingredient list and instructions, see the recipe card below.

Hot chocolate bombs on a white plate with sprinkles

How To Make Hot Chocolate Bombs

Make sure your silicone mold is clean and free of lint or dust particles. Anything in your mold will then be in your chocolate bomb.

  1. Melt the chocolate either using the double boiler method over low heat or in the microwave in a microwave-safe bowl. If you’re melting in the microwave, heat it on high power for 30 second increments stirring in between. Heat until the chocolate is smooth and free of lumps.
  2. Coat the wells of the chocolate mold with 1 tablespoon of melted chocolate using the back of a spoon or pastry brush to spread a thin layer of chocolate up the sides to cover the half sphere completely. Pour off any excess chocolate.
  3. Chill the mold for 15 minutes until the chocolate is set.
  4. Add a second layer of chocolate using the same method as before and return to the refrigerator to set.
  5. Pop the dome out of the mold carefully and arrange on a baking sheet open side up.
  6. Dip the edges of the sphere half in melted chocolate or heat a skillet and gently melt the edges slightly of the sphere half. Return to the baking sheet open side up.
  7. Fill half your domes with hot cocoa powder, mini marshmallows and sprinkles, if desired.
  8. Place the empty domes on top lining up the edges so the chocolate seals the bomb. (You can run your finger along the edge to fill in any gaps that may appear.)
  9. Allow the chocolate bombs to set and decorate with the remaining chocolate and sprinkles.

This post may contain affiliate links which won’t change your price but will share some commission.

These Silicone Baking Molds are my favorite for easy confections like Hot Chocolate Bombs, domed cakes, gelatin desserts and artisan ice for cocktails.

Milk being poured over a hot chocolate bomb in a glass.

How To Melt Hot Cocoa Bombs

Now that your Hot Chocolate Bombs are ready, you can either package them up to give as gifts for the holiday season or you can enjoy one yourself! They’re the ultimate food gift for any chocolate lover.

  1. Place the chocolate bomb in a large mug and set aside.
  2. Heat milk or water (we much prefer warm milk for the creaminess it lends to the finished product but use your favorite hot liquid) until steaming.
  3. Pour the milk over the chocolate bomb in one consecutive stream until the mug is filled. The constant force of the heated liquid is what melts the chocolate. If you stop pouring, it will take much longer for the bomb to melt.
  4. Stir and enjoy! If your bomb didn’t explode as much as you wanted, for best results, stirring will blend all the ingredients together for you to enjoy a delicious cup of hot cocoa.
Hot chocolate in a glass mug with marshmallows on top.

How Long Will Hot Chocolate Bombs Last

You can store your hot chocolate bombs in an airtight container for up to 1 month at room temperature in a cool, dry place.

If you want to store them longer, move them to the refrigerator but allow them to come to room temperature before adding your milk.

More Easy Holiday Treats

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Hot chocolate bombs on a marble plate in red and white cupcake wrappers.

Get the Recipe: Hot Chocolate Bomb Recipe

Fun and easy to make Hot Chocolate Bombs are the ultimate cold weather treat! Filled with hot cocoa, marshmallows and sprinkles….they also make a great gift.
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Ingredients

  • 8 oz high quality dark chocolate
  • ¼ cup hot cocoa mix
  • Mini marshmallows, if desired
  • Sprinkles, if desired
  • Other add-ins as desired, see notes in post for suggestions

Equipment

  • silicone sphere mold

Instructions 

  • Finely chop the chocolate and place in a microwave-safe bowl.
  • Heat the chocolate in the microwave for 30 seconds.
  • Remove from the microwave and stir being sure to scrape the sides and bottom of the bowl with a rubber spatula to prevent burning.
  • Return the chocolate to the microwave and heat for 30 seconds more. Remove and stir again. Repeat until chocolate is completely melted and smooth.
  • Coat the inside of the sphere mold with the chocolate using a spoon or a paintbrush being sure to cover the entire surface all the way to the edges.
  • Transfer to the refrigerator and chill for 15 minutes.
  • Remove from the fridge and add a second, thin layer of chocolate repeating the same process as before.
  • Return to refrigerator to chill until firm.
  • Remove the molds from the refrigerator and carefully remove the chocolate from the mold.
  • If you have leftover melted chocolate, you can dip the edges into the chocolate to use as the glue OR you can heat a pan and lightly touch the edges of the dome to melt slightly. The pan method does ensure a cleaner seam but you need to be quick and careful that you don’t melt too much of your sphere.
  • Fill half the spheres with 1 tablespoon cocoa mix, marshmallows and sprinkles.
  • Using the remaining dome, top your filled halves and seal gently. Hold in place for a few seconds to give the chocolate a chance to set before moving to the next one.
  • To decorate, drizzle with additional chocolate and sprinkles. (optional)
  • To serve, place in a mug and slowly pour steaming hot milk over the hot chocolate bomb to explode.

Video

YouTube video

Notes

Hot chocolate bombs can be made up to 2 months in advance and stored at room temperature in a cool, dry place.
Wrap tightly in cellphone or place in a muffin paper liner for gift giving.
Calories: 246kcal, Carbohydrates: 21g, Protein: 3g, Fat: 17g, Saturated Fat: 10g, Cholesterol: 1mg, Sodium: 50mg, Potassium: 270mg, Fiber: 4g, Sugar: 12g, Vitamin A: 15IU, Calcium: 33mg, Iron: 5mg