Hot cocoa bombs look like something from a candy shop, and they are mostly patience. Melted chocolate is brushed into silicone half-sphere molds, the shells are filled with cocoa mix and mini marshmallows, and two halves are sealed together with a warm plate. Drop one in a mug, pour hot milk over it, and it opens up with the marshmallows floating out.
Why You’ll Love It
- Three ingredients.
- Make them a week ahead for gifts.
- A show when they melt open.
What You Need
- 12 oz chocolate melting wafers (milk or semisweet)
- 6 packets hot cocoa mix (about 2 tbsp each)
- 1 cup mini marshmallows
- sprinkles or white chocolate drizzle (optional)
How to Make Hot Cocoa Bombs
- Melt the chocolate wafers in the microwave in 30-second bursts, stirring until smooth.
- Spoon a tablespoon into each cavity of a silicone half-sphere mold and brush it up the sides evenly. Chill 10 minutes, then brush on a second coat and chill 20 minutes.
- Pop the shells out gently. Fill half of them with 2 tablespoons cocoa mix and a spoon of mini marshmallows.
- Warm a plate in the microwave 1 minute. Set an empty shell rim-down on it for 2 seconds, then press it onto a filled shell to seal.
- Drizzle with melted chocolate or add sprinkles. Chill 10 minutes.
- To serve, set a bomb in a mug and pour 8 ounces of hot milk over it. Stir.
Tips
- Two thin coats make a shell that holds together.
- Keep the shells cold and handle them quickly so fingerprints do not melt them.
- Wrap each in cellophane with a ribbon for gifts.
Serving and Storing
Store in a cool place in an airtight container up to 2 weeks.
Frequently Asked Questions
What size mold?
A 2 to 2.5-inch silicone half-sphere mold, sold as a hot cocoa bomb mold.
Can I use chocolate chips?
Melting wafers set shinier and harder; chips need a little coconut oil.
Why did my shells crack?
They were too thin or too cold when sealed. Use two coats and work at room temperature.

Hot Cocoa Bombs
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Ingredients
- 12 oz chocolate melting wafers milk or semisweet
- 6 packets hot cocoa mix about 2 tbsp each
- 1 cup mini marshmallows
- sprinkles or white chocolate drizzle optional
Instructions
- Melt the chocolate wafers in the microwave in 30-second bursts, stirring until smooth.
- Spoon a tablespoon into each cavity of a silicone half-sphere mold and brush it up the sides evenly. Chill 10 minutes, then brush on a second coat and chill 20 minutes.
- Pop the shells out gently. Fill half of them with 2 tablespoons cocoa mix and a spoon of mini marshmallows.
- Warm a plate in the microwave 1 minute. Set an empty shell rim-down on it for 2 seconds, then press it onto a filled shell to seal.
- Drizzle with melted chocolate or add sprinkles. Chill 10 minutes.
- To serve, set a bomb in a mug and pour 8 ounces of hot milk over it. Stir.
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