Introduction to Watermelon Mochi
What is Watermelon Mochi?
Watermelon mochi is a delightful twist on the traditional Japanese treat that combines the classic chewy texture of mochi with the refreshing flavor of fresh watermelon. Imagine biting into a soft piece of mochi that bursts with the taste of summer — it’s both sweet and satisfying!
Mochi itself is made primarily from glutinous rice flour, which gives it that uniquely chewy consistency, making it a favorite among snack enthusiasts. By incorporating watermelon juice, this recipe not only adds a splash of color but also a delightful natural sweetness. If you haven't yet tried watermelon mochi, you're in for a treat—it is a perfect summer dessert that's both fun to make and enjoyable to eat!
Making watermelon mochi could be an excellent conversation starter at your next gathering. Whether you're sharing it with friends or enjoying it solo, this unique mochi is bound to leave a lasting impression. Plus, it’s a great way to use up those juicy summer watermelons. Feeling adventurous? Check out this guide from Serious Eats on how to make other fun mochi flavors!

Ingredients for Watermelon Mochi
Creating watermelon mochi involves a few simple yet essential ingredients that come together to form this delightful treat. Here's what you'll need:
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Glutinous rice flour (200g / 1 ½ cups): This is the foundation of your mochi, giving it that characteristic chewy texture. Make sure to find genuine glutinous rice flour, often labeled as "mochi flour" in stores.
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Granulated sugar (65g / ⅓ cup): Sweetening the mochi enhances the natural flavor of fresh watermelon juice. Adjust the sugar to taste if you prefer it a touch sweeter.
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Cornstarch (40g / ⅓ cup): This ingredient helps prevent the mochi from sticking to your hands and work surface, creating a pleasant eating experience.
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Watermelon juice (240ml / 1 cup): Freshly strained watermelon juice infuses the mochi with a delicious, natural flavor. For tips on making the best juice, check out this guide.
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Vegetable oil (1 ½ tbsp): A little oil helps achieve the right consistency, making the mochi smooth and easy to work with.
With these straightforward ingredients, you'll be on your way to creating a sweet and refreshing watermelon mochi that everyone will love!
Preparing Watermelon Mochi
Making watermelon mochi is a fun and rewarding experience that results in a deliciously unique treat. Follow these steps for a chewy, sweet dessert that captures the refreshing taste of summer in each bite!
Make the Watermelon Juice
The first step in crafting your watermelon mochi is to prepare the watermelon juice. Start by selecting a ripe watermelon—look for one that feels heavy for its size and has a smooth, unblemished skin. Cut the watermelon in half, scoop the flesh into a blender, and blitz until smooth. To ensure a silky texture, pour the blended watermelon through a fine mesh sieve to remove any pulp. This vibrant juice will be the star flavor of your mochi!
Combine the Ingredients
Now that you have your juice ready, it’s time to bring all the ingredients together. In a mixing bowl, combine glutinous rice flour, granulated sugar, and cornstarch. These three ingredients form the base of your mochi, giving it that lovely chewy consistency. Once blended, add in the freshly made watermelon juice and a tablespoon of vegetable oil. Whisk the mixture gently until it’s smooth, with no lumps remaining. It’s essential to have a well-mixed batter for the best results.
Heat the Mochi Mixture
Heat is where the magic happens! Pour your combined mixture into a deep frypan or saucepan over medium heat. The key here is to stir consistently—this will help prevent sticking and ensure even cooking. Keep stirring for about 5-8 minutes, or until the mixture thickens and transforms into a gorgeous dark pink, translucent mass. When it becomes very sticky, it’s time to remove it from the heat. This step is crucial, as the correct consistency is what allows your watermelon mochi to shine.
Mold the Mochi
Prepare your mold while the mixture is still warm. Line a 12cm x 12cm square mold (or any small rectangular container) with parchment paper. Carefully pour the warm mochi into the lined mold, using a spatula to press it down evenly. This will help to achieve the perfect shape and thickness for each chewy piece. Once flattened, place the mold in the fridge for about 1-2 hours to cool and firm up—patience is essential here!
Cool and Cut the Mochi
Once your mochi has set, it's time for the final touch—cutting! Dust your work surface with a generous amount of cornstarch to prevent sticking. Carefully remove the mochi from the mold and place it on the dusted surface. Dust the top of the mochi with more cornstarch before slicing it into 12 pieces with a lightly oiled knife. Don’t forget to separate each piece and coat all sides in cornstarch to keep them from sticking together.
And there you have it—your homemade watermelon mochi! These little bites of joy are not just visually appealing but are perfect for summer gatherings or as a sweet snack any time of year. Enjoy their soft, chewy texture and refreshing flavor!

Variations on Watermelon Mochi
Watermelon and Coconut Mochi
Elevate your watermelon mochi experience by adding creamy coconut! Simply mix shredded coconut into the mochi batter before cooking. This delightful variation brings a tropical twist that's not only visually appealing but also enhances the flavor profile. Coconut pairs beautifully with the fresh, fruity notes of watermelon, creating a deliciously chewy treat.
Watermelon Mochi with Matcha
For a unique fusion, try incorporating matcha powder into your watermelon mochi. Just whisk in 1-2 teaspoons of matcha to the batter for a slight earthiness that balances the sweetness of the watermelon. This addition not only adds a beautiful green hue but also provides an extra health benefit, thanks to matcha's antioxidants. Don't forget to serve it with some green tea for a complete experience!
These variations invite creativity, so feel free to experiment with your favorite flavors!
Cooking Tips and Notes for Watermelon Mochi
Making watermelon mochi is a fantastic way to impress your friends while enjoying a delightful treat. Here are some tips to ensure your mochi turns out perfectly every time:
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Choose Ripe Watermelon: Use sweet, ripe watermelon for the best flavor. It makes a significant difference in your mochi’s taste.
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Cornstarch for Texture: Dust your work surface and the mochi itself with cornstarch to prevent sticking. This is key to achieving that chewy texture we love.
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Storage Tips: Store your mochi in an airtight container in the fridge for up to a week. They’re perfect for a refreshing snack!
These small notes will enhance your watermelon mochi experience, and I can't wait for you to try it! If you're interested in more creative uses for watermelon, check out sources like Serious Eats for exciting ideas!

Serving Suggestions for Watermelon Mochi
Watermelon mochi is not just a dessert; it's a versatile treat that can elevate any gathering! Here are some delightful serving suggestions to enhance your experience:
- Fresh Fruits: Pair your mochi with a medley of fresh fruits like strawberries, mangoes, or kiwi for a colorful platter. This adds freshness and presents a stunning visual contrast.
- Matcha Tea: Enjoy your watermelon mochi with a cup of warm matcha tea, creating a delightful balance of flavors. The earthy notes of matcha beautifully complement the sweetness of the mochi.
- Chilled Presentation: For a refreshing twist, serve the mochi chilled. Place them in the fridge shortly before your gathering for that perfect cooling effect.
These simple ideas will make your watermelon mochi a crowd-pleaser at any event!
Time Breakdown for Watermelon Mochi
Preparation Time
You’ll need just 5 minutes to prep your ingredients, bringing you one step closer to that delicious watermelon mochi.
Cook Time
Cooking this delightful treat takes approximately 15 minutes, during which the magical transformation occurs as the mixture heats up and combines into a sticky, sweet delight.
Total Time
Overall, you’re looking at around 20 minutes before you can set your watermelon mochi in the fridge to chill and firm up. Perfect timing for a refreshing snack!
Feel free to check out this article for tips on experimenting with flavors, and don’t forget to share your own creations!
Nutritional Facts for Watermelon Mochi
Calories
Each piece of watermelon mochi contains approximately 70 calories, making it a delightful light treat without the guilt.
Carbohydrates
With around 15 grams of carbohydrates per piece, this mochi offers a quick source of energy, perfect for a mid-afternoon snack or post-workout reward!
Sugar
Sweetened naturally with watermelon juice, each piece has about 7 grams of sugar, allowing you to satisfy your sweet tooth while enjoying the refreshing taste of fruit.
Whether you're serving this treat at a summer gathering or simply indulging yourself, watermelon mochi is a unique and enjoyable way to enjoy a classic dessert while being mindful of your nutritional intake. You can learn more about the health benefits of watermelon on resources like Healthline.
FAQs about Watermelon Mochi
Can I make watermelon mochi vegan?
Absolutely! To create a vegan version of watermelon mochi, simply ensure that your ingredients are plant-based. The recipe already uses water and glutinous rice flour, both of which are vegan. You can substitute any non-vegan ingredients with vegan-friendly options easily. For example, stick with your basic vegetable oil, and you’re set!
How do I store leftover watermelon mochi?
To keep your watermelon mochi fresh, layer it in an airtight container with parchment paper between the pieces to avoid sticking. Store it in the refrigerator, and it should stay good for up to 3 days. Just remember to let it come to room temperature before enjoying; the texture will be at its best!
What can I add to make the mochi flavor more dynamic?
If you're looking to elevate your watermelon mochi, consider incorporating a splash of fresh lime juice for a zesty kick or mixing in a hint of mint for a refreshing layer of flavor. You might also explore adding a dash of coconut milk for added creaminess. The possibilities are endless! For inspiration, check out this guide on flavor pairings for mochi.
Conclusion on Watermelon Mochi
In summary, watermelon mochi is a delightful and unique treat that beautifully combines the summer sweetness of watermelon with the chewy texture of mochi. Whether you're impressing friends at a gathering or enjoying a refreshing dessert solo, this recipe is quick and satisfying. Give it a try and savor the joy!

Watermelon Mochi
Equipment
- Blender
- Deep frypan or saucepan
- spatula
- 12cm x 12cm square mold
Ingredients
- 200 g Glutinous rice flour
- 65 g Granulated sugar
- 40 g Corn starch
- 240 ml Watermelon juice, strained
- 1.5 tablespoon Vegetable oil
Instructions
- To make the watermelon juice place watermelon flesh in a blender and blitz until smooth, then pass through a fine mesh sieve to remove any pulp
- Combine the glutinous rice flour, sugar, and cornstarch in a bowl
- Add the watermelon juice and oil, and whisk until smooth
- Heat a deep frypan or saucepan over medium heat and add the mochi mixture
- Heat, stirring consistently, for 5-8 minutes, or until the mochi mixture thickens and changes into a dark pink translucent color (the mixture should be very sticky)
- Remove from the heat
- Prepare a 12cm x 12 cm square mold and line it with parchment paper, if you don’t have that size any small rectangular container should work
- Pour the warm mochi into the lined mold and press it down the spatula to flatten it
- Place the mochi in the fridge to cool for 1-2 hours, or until slightly firmed up
- Dust your work surface with cornstarch
- Remove the mochi from the mold and place it on the dusted surface
- Dust the top of the mochi with more cornflour and cut it into 12 pieces of mochi with an oiled knife
- Separate the pieces and dust all sides of the mochi with cornflour
- Enjoy!





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