Mochi Chocolate Filling

Featured in Sweet Treats and Baked Favorites.

These chewy chocolate-filled mochi are simple yet indulgent. Gooey chocolate ganache is tucked into a soft rice dough, dusted with cocoa on the outside. Ready in around 40 minutes with no special tools needed! Although they're best enjoyed fresh, storing in the fridge works for later. Perfect for anyone wanting to try a fun, Asian-inspired spin on chocolate sweets.
Aisha
Updated on Sun, 30 Mar 2025 19:24:56 GMT
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Chewy Japanese mochi meets rich chocolate truffle filling in this amazing fusion dessert. The mix of textures and tastes creates a treat that'll wow everyone who tries it.

I've tried tons of different ways to make this, and this method gives you the best mix of chewy mochi and creamy chocolate filling. You won't forget how good each bite tastes.

Key Ingredients

  • Shiratamako or Mochiko (sweet rice flour): This gives you that chewy bounce we all love. Go with Shiratamako for a smoother feel
  • Good cocoa powder: Try Dutch-processed for a much darker chocolate kick
  • Semi-sweet chocolate bars: Actual bars work better than chips since they melt into a smoother filling
  • Heavy cream: You need the fat in this to make your center super truffle-like
  • Cornstarch: Keeps everything from turning into a sticky mess and helps the texture

How To Make It

Get Your Filling Ready:
Cut up chocolate into tiny bits so it melts evenly. Warm the heavy cream till you see tiny bubbles at the edges, but don't let it boil. Pour it over the chocolate and wait 5 minutes before you stir it all smooth. Put it in the fridge for about 2 hours until it's firm enough to scoop.
Mix Up Your Mochi:
Mix the sweet rice flour, cocoa, and sugar through a strainer to get the lumps out. Slowly add warm milk while you stir until you've got a smooth mix. Cover it with plastic wrap but poke some little holes so steam can get out.
Cook Your Dough:
Steam the mix for 20 minutes, giving it a stir halfway. You'll know it's done when it looks shiny and a bit see-through. Touch it to check. It should feel sticky but not raw.
Put It All Together:
Sprinkle lots of cornstarch on your counter. Split the mochi into even chunks. Flatten each piece, drop some ganache in the middle, and seal up the edges carefully.
Finish It Off:
Roll your finished mochi balls in cocoa powder. Let them sit for 10 minutes before you eat them. If you want, put some fresh berries around them on the plate.
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Chocolate Mochi | cookingflavor.com

Getting chocolate mochi just right means paying attention to all the little things, from how warm your ingredients are to how you shape each piece. Every step matters for the best taste and feel.

Fixing Common Problems

Easy fixes when things go wrong:

  • Too sticky to work with: Change how much flour and liquid you use based on how humid your kitchen is
  • Filling melts during shaping: Make sure your ganache is cold enough and work fast with cool hands

Seasonal Twists

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Chocolate Mochi | cookingflavor.com

Switch things up throughout the year:

  • Summer: Add a bit of mint to the chocolate filling to make it more refreshing
  • Autumn: Mix in some cinnamon and nutmeg for a warm fall flavor
  • Holiday: Try white chocolate inside with some crushed candy canes on top

Keeping It Fresh

Make sure they stay tasty:

  • Wrap each mochi separately in plastic before putting in the fridge so they don't dry out
  • Make your filling up to two days before to save time on cooking day
  • Wrap them tight and freeze for up to a month. Just let them warm up before eating

Fun Changes To Try

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Chocolate Mochi | cookingflavor.com

Take your mochi to the next level:

  • Fill with white chocolate mixed with green tea powder for cool color contrast
  • Mix dried raspberry bits into your cocoa coating for a tangy kick
  • Put some black sesame paste in your chocolate filling for a nutty flavor

Great Combos

Serve your chocolate mochi with:

  • A cup of roasted green tea that brings out the chocolate taste
  • A tiny scoop of vanilla ice cream for an awesome hot-cold mix

Chocolate mochi isn't just tasty. It brings together different food traditions in one amazing bite. The mix of chewy outer layer and velvety chocolate center makes it something really special that you'll want to make again and again.

Frequently Asked Questions

→ Can I make these in advance?
Sure, but aim to eat them in a day or so. Keep chilled and bring to room temp before munching.
→ Why is the dough so sticky?
Sticky dough is normal! Handle it easily by using oil or cornstarch on your hands.
→ Can these go in the freezer?
Freezing isn’t great since it messes up the mochi texture!
→ What chocolate should I use?
Semi-sweet is your best bet, but dark chocolate works if you like bold flavors.
→ My ganache didn’t thicken—why?
It might need more chilling time or better chocolate-to-cream proportions—1-2 hours should be just right.

Mochi Chocolate Filling

Chewy chocolate rice dough with a creamy ganache surprise in the middle, lightly covered in cocoa—perfect for sweet tooth cravings.

Prep Time
30 Minutes
Cook Time
10 Minutes
Total Time
40 Minutes
By: Aicha

Category: Desserts

Difficulty: Intermediate

Cuisine: Asian-Inspired

Yield: 8 Servings (8 stuffed mochi pieces)

Dietary: Vegetarian, Gluten-Free

Ingredients

→ Mochi Dough

01 15g (2 tbsp) cocoa powder
02 1 tbsp vegetable oil
03 48g (1/4 cup) granulated sugar
04 15g (2 tbsp) cornstarch
05 240ml (1 cup) whole milk
06 150g (1 cup) glutinous rice flour

→ Chocolate Ganache

07 30g (2 tbsp) unsalted butter
08 225g (7.9oz) semi-sweet chocolate, chopped roughly
09 120ml (1/2 cup) heavy cream

→ Assembly

10 60g (1/2 cup) cocoa powder to roll mochi in

Instructions

Step 01

Combine cream, butter, and chocolate over low heat or in a microwave. Stir until smooth, cover, and leave in the fridge for 1-2 hours to firm up. Shape into 8 balls, then chill again.

Step 02

Combine glutinous rice flour, cocoa powder, cornstarch, and sugar in a microwaveable bowl. Add milk and whisk well until there are no lumps.

Step 03

Microwave the mix (cover with a lid) for 2 minutes, mix, then microwave for another 2 minutes. Once it's sticky and glossy, add the oil and knead until smooth.

Step 04

Cut the dough into 8 pieces. Flatten each one, pop a ganache ball in the middle, and wrap the dough around it. Pinch the edges to close.

Step 05

Coat each mochi evenly by rolling it in cocoa powder. Make sure it's fully covered.

Notes

  1. Eat within a day for best results
  2. Keep it in the fridge
  3. Bring to room temperature before eating to enjoy the perfect texture

Tools You'll Need

  • A microwaveable dish
  • Tray for chilling
  • Parchment for lining surfaces
  • Gloves or use a bit of oil to stop sticking

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy
  • Chocolate may have traces of nuts

Nutrition Facts (Per Serving)

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