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Cozy Hot Chocolate Bomb Recipe with Marshmallow Surprise Inside

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A simple and delightful recipe for hot chocolate bombs filled with mini marshmallows that melt into a cozy, comforting cup of cocoa. Perfect for winter treats, gifting, or a fun indulgence.

Ingredients

Scale
  • 12 oz semi-sweet chocolate chips or melting wafers
  • 1 cup mini marshmallows (about 50 g)
  • 3 tbsp hot cocoa mix (about 22 g)
  • Optional toppings: sprinkles, crushed peppermint, or sea salt flakes

Instructions

  1. Chop the semi-sweet chocolate chips if needed. Melt two-thirds of the chocolate in a microwave-safe bowl in 30-second bursts, stirring between each until smooth (about 2-3 minutes total). Add the remaining third and stir to temper.
  2. Using a small spoon or brush, spread a thin, even layer of melted chocolate inside each half-sphere mold. Cover all edges well to avoid thin spots. Place the molds in the fridge for 10-15 minutes to set.
  3. Remove molds and add another layer of chocolate inside to reinforce the shell. Chill again for 15 minutes or until fully hardened.
  4. Gently pop the chocolate halves out of the molds onto parchment paper. Handle carefully to prevent cracks.
  5. Place 1 tablespoon (about 15 g) of hot cocoa mix and a generous pinch (about 1 tablespoon) of mini marshmallows inside one half of each chocolate shell.
  6. Warm a small plate or pan over low heat. Take an empty half-shell and gently press its rim against the warm plate to slightly melt the edge. Quickly place it on top of the filled half-shell to seal. Hold for a few seconds until sealed. Repeat for all bombs.
  7. Optional: Drizzle leftover melted chocolate on top or sprinkle crushed peppermint for a festive look. Chill once more if needed.
  8. To serve, drop one hot chocolate bomb into a mug, pour 8 oz (240 ml) of hot milk over it, stir gently, and enjoy.

Notes

Keep all tools and molds completely dry to prevent chocolate from seizing. Tempering chocolate is recommended for a glossy finish and snap. Chill chocolate layers fully between coats to avoid cracks. Use mini marshmallows for best melting results. Seal edges quickly but gently to avoid warping shells. Store bombs in an airtight container at room temperature for up to 2 weeks.

Nutrition

Keywords: hot chocolate bomb, marshmallow surprise, cozy drink, winter treat, chocolate recipe, easy hot cocoa, holiday gift, chocolate shell