Imagine biting into the softest, chewiest mochi with a playful burst of watermelon flavor—the blissful treat you never knew you needed until now. Watermelon Mochi brings the fun of Japanese-inspired desserts and the juicy sweetness of summer’s favorite fruit together in one irresistible bite. Easy to make at home and totally Instagram-worthy, this recipe will steal the show at summer gatherings, picnics, and honestly, anytime you crave something unique and refreshing.
Ingredients You’ll Need
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Mochi:
- 1 cup glutinous rice flour (mochiko)
- ¾ cup watermelon juice (freshly blended and strained)
- ¼ cup granulated sugar
- 2 tablespoons cornstarch (for dusting)
- red or pink food coloring (optional, for color)
Toppings:
- mini chocolate chips or black sesame seeds (for “seeds”)
- green food coloring (optional, for rind effect)
How to Make Watermelon Mochi
Step 1: Prepare the Watermelon Mochi Base
In a microwave-safe bowl, whisk together the glutinous rice flour, granulated sugar, and freshly strained watermelon juice until the mixture is completely smooth. If you want that punchy, rosy color for your mochi, go ahead and add a drop or two of red or pink food coloring—just enough to mimic the real thing, but not too much that it overpowers the delicate watermelon shade.
Step 2: Cook the Mochi in the Microwave
Pop your bowl into the microwave and set it for 1 minute on high. Take the bowl out, give everything a thorough stir, and repeat the process in 1-minute intervals, stirring in between. After about 3 to 4 minutes—depending on your microwave’s power—the mixture will transform into a thick, glossy, slightly translucent dough. That’s when you know your Watermelon Mochi is ready for the next step!
Step 3: Shape and Color Your Mochi
Let the mochi cool just enough to handle—trust me, you don’t want to burn your hands in excitement! Lightly dust a clean surface with cornstarch and transfer the warm dough onto it. Dust your hands with a little more cornstarch to prevent sticking, then gently flatten or roll the mochi out to about half an inch thick. This step brings out that pillowy texture we all love.
Step 4: Add Watermelon Seeds and Rind (Optional But Fun!)
Time to channel your inner artist. Dot mini chocolate chips or black sesame seeds all over your slab of mochi to look like watermelon seeds, gently pressing them in so they don’t fall out later. If you’re feeling extra creative, lightly brush the edges with green food coloring using a pastry brush or even your finger, giving your Watermelon Mochi the full rind effect. This step makes each piece pop with personality!
Step 5: Cut and Serve
Now for the grand finale: use a sharp, lightly greased knife or a cookie cutter to cut the mochi into small squares or rounds. Each piece should look just like a cheerful little slice of watermelon. Serve at room temperature or lightly chilled for a chewy, refreshing bite.
How to Serve Watermelon Mochi
Garnishes
A simple dusting of extra cornstarch keeps the pieces from sticking as they sit, but you can also go wild with a sprinkle of extra black sesame seeds, a few edible flowers, or even a scattering of chopped pistachios for a surprise crunch and color contrast. No garnish is ever too much when it’s for Watermelon Mochi!
Side Dishes
Because Watermelon Mochi is wonderfully light, it pairs beautifully with a cool glass of iced green tea or a tangy fruit salad tossed with mint. For an indulgent treat, serve with matcha ice cream or a scoop of coconut sorbet—talk about a dreamy summer dessert plate!
Creative Ways to Present
Stand each mochi slice up on a platter lined with fresh mint leaves for a stunning effect, or serve them individually in colorful cupcake liners for a festive touch at parties. Try using cookie cutters to create hearts, stars, or wedges for a playful twist—Watermelon Mochi is meant for fun, after all.
Make Ahead and Storage
Storing Leftovers
To keep your Watermelon Mochi soft and chewy, store any extras in an airtight container at room temperature if eating the same day. For more than a day, tuck it into the fridge, but be aware it may get a bit firmer as it chills. Let it come back to room temperature before serving for the best texture.
Freezing
You’ll be happy to know this recipe freezes quite well! Place parchment paper between pieces of mochi and store them in a zip-top bag or airtight container in the freezer for up to a month. When the craving hits, simply let a piece thaw at room temp for 20 minutes, and you’re good to go!
Reheating
While Watermelon Mochi is usually enjoyed cool or at room temperature, if it feels a little too firm after refrigeration or freezing, a quick 5–10 second zap in the microwave wrapped in a damp paper towel will bring back its signature bounce—just don’t overdo it!
FAQs
Can I use store-bought watermelon juice for this recipe?
Absolutely! While fresh watermelon juice gives the brightest, sweetest flavor, a high-quality bottled juice works in a pinch. Just make sure it’s 100 percent juice with no added sugar for the best results in your Watermelon Mochi.
Is there a substitute for mochiko flour?
For classic mochi texture, mochiko or another brand of glutinous rice flour is essential. Regular rice flour or all-purpose flour will not yield the same chewy, stretchy result unique to Watermelon Mochi.
How do I prevent my mochi from sticking to everything?
Cornstarch is your best friend here! Dust your hands, rolling pin, and work surface generously, and don’t be shy about adding a bit more as needed to keep the mochi manageable and easy to handle.
Can I double the recipe for a crowd?
Yes! Just double all your ingredients. You may need to microwave the mixture in batches to ensure even cooking. Watermelon Mochi is always a hit at potlucks and parties, so don’t be afraid to make extra.
Is Watermelon Mochi gluten-free and vegan?
It sure is! All the ingredients—glutinous rice flour, watermelon juice, and sugar—are naturally gluten-free and vegan, making Watermelon Mochi a treat that nearly everyone can enjoy.
Final Thoughts
If you’re ready to wow your friends and treat your taste buds, Watermelon Mochi is the recipe to try. It’s playful, pretty, and a true taste of summer wrapped up in chewy, delightful bites. Don’t wait for a special occasion—let yourself indulge in some kitchen fun and enjoy this sweet, one-of-a-kind treat!
