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How To Make DIY Cocoa Bombs (Galaxy Hot Chocolate)

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These DIY Cocoa Bombs will take your taste buds on a wild ride! They are basically white chocolate hot cocoa bombs with some fun extras. Gather your family around on a chilly day and enjoy a warm-up with a delicious cup of hot cocoa with this festive hot chocolate bomb recipe.

Cocoa bombs topped with blue melting chocolate and sprinkles.

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If you want to add some color to your favorite wintertime drink, this recipe is for you. It’s really easy to make and exciting for kids.

Want more delicious chocolate recipes to try out?  If you loved this recipe and you’d like some more chocolate recipes, start with some DIY Hot Chocolate Spoons. Or you could make some chocolate lollipops that are perfect for a holiday party such as the 4th of July.

If you love recipes like this, you may also enjoy this Gingerbread Hot Cocoa Bombs recipe.

Why This Recipe Works

  • Easy to make – This recipe is simple and easy to follow, even for kids. 
  • Festive—These cocoa bombs add a festive touch to your delicious hot chocolate. They make a great holiday gift!
  • Fun – The best part of these bombs is the fun explosion of chocolate when you hit them with a spoon.
  • This is a recipe worth trying. Making these takes only a few minutes and is great for parties.
  • Warm-up – These cocoa bombs are the best way to warm up on cold winter days.

What Are Cocoa Bombs? 

Cocoa bombs, also known as hot chocolate cocoa bombs or hot cocoa spheres, are a delightful and innovative way to enjoy your hot chocolate. They are spherical shells made from chocolate that enclose various fillings such as cocoa powder, miniature marshmallows, and sometimes additional flavorings or colored sugars. 

When placed in a mug and hot milk or water is poured over them, the chocolate shell melts away, releasing the cocoa mix and marshmallows into the liquid. This creates a visually appealing and flavorful experience as the contents mingle to form a warm, chocolatey beverage. 

Cocoa bombs are a treat for the taste buds and offer a fun and interactive way to make hot chocolate, making them popular gifts and festive treats during the holiday season.

What’s in This DIY Cocoa Bombs Recipe?

White chocolate melting wafers, Hot cocoa mix, Blue candy melts and Galaxy sprinkle mix.
  • White Chocolate Melting Wafers: These form the base of the cocoa bombs, providing a creamy, sweet canvas that melts beautifully in hot milk or water, creating a luxurious hot chocolate base.
  • Hot Cocoa Mix: This is the heart of the cocoa bomb, ensuring that each sip is rich in chocolate flavor. Opt for your favorite brand or a homemade hot chocolate mix for a personalized touch.
  • Blue Candy Melts: Add a pop of color and a touch of sweetness to your cocoa bombs, making them visually appealing and enhancing the overall taste.
  • Galaxy Sprinkle Mix: This cosmic mix not only adds a whimsical, space-themed appearance to your cocoa bombs but also introduces a delightful crunch with each sip.

Equipment

  • Semisphere Silicone Mold: Essential for shaping cocoa bombs, this chocolate mold ensures a perfect dome shape that can be filled and sealed easily.
  • Plastic Storage Baggie: Useful for piping in the melted candy or chocolate, giving you control and precision for decorating your cocoa bombs.

The complete list of ingredients, quantities, and instructions can be found in the printable recipe card below.

Substitutions and Variations

  • You can use any kind of white chocolate instead of candy melts, such as white chocolate chips, for this recipe.
  • Add in some cocoa powder to the melted chocolate mix if you want a more chocolaty flavor.
  • Switch up the colors of your cocoa bombs by using a different colored candy melt.
  • Make them extra yummy, and top them with mini marshmallows.

How to Make Homemade Cocoa Bombs Step by Step

Collage of melting the white chocolate melting wafers and adding it into the semisphere silicone mold.
  1. Chill a large glass plate in the refrigerator.
  2. Melt the white chocolate according to package instructions in a microwave-safe bowl.
  3. Distribute a small spoonful of melted chocolate into each mold cavity, ensuring the entire cavity is coated. (Photos 1 & 2)
  4. Freeze the mold for 5 minutes.
  5. Apply a second coat of chocolate following the same method as before.
  6. Freeze the mold again for 5 minutes.
  7. Warm a small glass plate in the microwave for 2 minutes.
  8. Take the hollow chocolate spheres from the mold and place them on the chilled plate. (Photo 3)
Collage of assembling the galactic themed cocoa bombs.
  1. Melt the edges of one sphere on the warmed plate, fill with a tablespoon of cocoa mix, then melt the edge of another sphere and join them together to form a cocoa bomb. (Photos 4 & 5 & 6)
  2. Melt blue candy melts in a baggie in the microwave for 30 seconds, then knead the bag. If necessary, heat for another 10-20 seconds until fully melted. (Photo 7)
  3. Snip the corner of the baggie and dribble melted candy over the outer shell of the assembled cocoa bombs. (Photo 8)
  4. Embellish with galaxy sprinkle mix and allow to set completely.
  5. To enjoy, place a cocoa bomb in a mug and gradually pour 8 ounces of warm milk over it, stirring until fully dissolved.
Galactic themed cocoa bombs drizzled with blue candy melts.

Recipe Tips

  • Ensure that your candy melts have completely hardened before removing them from the mold.
  • Spooning the melted chocolate around the mold helps to ensure that you get a completely covered outer layer of white. Use a pastry brush if needed.
  • Don’t overheat the candy melts in the microwave, and try to avoid microwaving for more than two minutes at a time; otherwise, the melting chocolate will become too liquidy and harden too quickly.
  • If you find that the cocoa bomb is smudging from the heat of your fingers, then wear gloves.

Storing Tips 

Cocoa bombs should be stored in an airtight container at room temperature. They can be stored for up to one week at room temperature or up to one month in the fridge.

You can also freeze these cocoa bombs. Simply place them in the freezer for about 1 hour. They will keep up to 3 months in the freezer before they begin to lose their flavor and appearance.

Two galactic cocoa bombs sitting on a wooden board.

Serving Suggestions

To elevate your cocoa experience, pair these drinks with an assortment of treats that complement the rich, chocolatey flavor, such as raspberry chocolate chip cookies.

Consider serving alongside freshly baked tye dye sugar cookies for a double dose of sweet treat or with a plate of fluffy marshmallows for extra sweetness. 

For those looking for a savory contrast, a platter of salted pretzels or even some pretzels dipped in chocolate can perfectly balance the sweetness. 

Recipe FAQs

How do I use these?

To use, place one cocoa bomb in a mug, slowly pour 8 ounces of warm milk over it, and stir slowly until dissolved.

Can I make cocoa bombs without a silicone mold?

While a semisphere silicone mold is the easiest way to achieve the classic cocoa bomb shape, you can also use other round molds available at home, such as cupcake trays or ice molds, though the final product might have a different appearance. Be creative with what you have, ensuring the chocolate shell is thick enough to hold the filling but melts easily in a hot cup of milk.

Is it possible to make vegan cocoa bombs?

Yes, vegan cocoa bombs are entirely possible to make. Substitute the white chocolate and candy melts for vegan-friendly alternatives, readily available in many health food stores or online. Similarly, ensure your cocoa mix does not contain any milk products. Vegan marshmallows are available to use as a filling, making it a delightful treat for everyone.

How can I prevent the cocoa bombs from cracking when assembling them?

To prevent cracking, ensure the chocolate shells are thick enough by applying a second or third layer of chocolate during molding. Also, be gentle when handling the spheres. If the edges are too thin, warm them slightly on a warmed plate to smooth out any imperfections before you seal the two halves together. This softens the edges just enough to join them without cracks.

More Delicious Cocoa Bomb Recipes You May Love

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White cocoa bombs with blue frosting and colorful sprinkles on a wooden board.
5 from 1 vote

How to Make DIY Cocoa Bombs (Galaxy Hot Chocolate)


Author: Kim Schob
Course: Beverages
Cuisine: American
Prep Time: 20 minutes
Cook Time: 0 minutes
0 minutes
Total Time: 20 minutes
Yields 6 Cocoa Bombs
These Diy cocoa bombs are packed with flavor and will blast your taste buds into outer space. Perfect for a chilly day.

Equipment

Ingredients 

Instructions

  • Chill a large glass plate in the refrigerator.
  • Melt the white chocolate according to package instructions in a microwave-safe bowl.
  • Distribute a small spoonful of melted chocolate into each mold cavity, ensuring the entire cavity is coated.
  • Freeze the mold for 5 minutes.
  • Apply a second coat of chocolate following the same method as before.
  • Freeze the mold again for 5 minutes.
  • Warm a small glass plate in the microwave for 2 minutes.
  • Take the hollow chocolate spheres from the mold and place them on the chilled plate.
  • Melt the edges of one sphere on the warmed plate, fill with a tablespoon of cocoa mix, then melt the edge of another sphere and join them together to form a cocoa bomb.
  • Melt blue candy melts in a baggie in the microwave for 30 seconds, then knead the bag. If necessary, heat for another 10-20 seconds until fully melted.
  • Snip the corner of the baggie and dribble melted candy over the outer shell of the assembled cocoa bombs.
  • Embellish with galaxy sprinkle mix and allow to set completely.
  • To enjoy, place a cocoa bomb in a mug and gradually pour 8 ounces of warm milk over it, stirring until fully dissolved.

Notes

  • Ensure that your candy melts have completely hardened before removing them from the mold.
  • Spooning the melted chocolate around the mold helps to ensure that you get a completely covered outer layer of white. Use a pastry brush if needed.
  • Don’t overheat the candy melts in the microwave, and try to avoid microwaving for more than two minutes at a time; otherwise, the melting chocolate will become too liquidy and harden too quickly.
  • If you find that the cocoa bomb is smudging from the heat of your fingers, then wear gloves.

Nutrition Information

Serving: 1Cocoa Bomb Calories: 143kcal (7%) Carbohydrates: 21g (7%) Protein: 1g (2%) Fat: 7g (11%) Saturated Fat: 6g (38%) Trans Fat: 1g Sodium: 145mg (6%) Fiber: 1g (4%) Sugar: 19g (21%) Vitamin A: 2IU Calcium: 15mg (2%) Iron: 1mg (6%)

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