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Watermelon Juice

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    Refreshing and cool watermelon juice with a splash of lime is the perfect drink to enjoy on a hot summer day.

    Watermelon Juice in a glass.

    I was not a big fan of watermelon growing up. When my brother-in-law introduced watermelon juice to me years ago, I was reluctant to try but ended up being surprised by how delicious it was. Now I have to make watermelon juice whenever it is in season.

    Watermelon Juice in a glass and ingredients on a wooden board.

    Growing up, watermelon was the most common fruit during the summer time in Japan. We usually spent the summer at my grandparents’ home in Osaka. They have a big backyard and I remember having watermelon seeds spitting contest with my brother to see who can spit farther.

    I also remember eating watermelon with my late grandpa on the porch after helping him tend the garden. When my family went camping, we would put the watermelon in the river to cool and played a traditional Japanese game called suikawari (スイカ割り).

    Suikawari is a game where everyone takes turn to smash watermelon with a stick while blindfolded. The rule is similar to piñata except you play with a watermelon. Each person is blindfolded, spun around three times, and handed a wooden stick to strike with. The first to crack the watermelon open wins, and everyone enjoys the chunks of watermelon afterwards.

    Watermelon Juice – Summer Thirst Quencher

    To make the watermelon juice, I first cut them into chunks and leave them in the refrigerator to chill for 1-2 hours before blending. This keeps the juice cool without having to add too much ice. I added just a spoonful of homemade simple syrup, but you can totally skip it if your watermelon is sweet enough. To bring out the flavor of the juice, I love squeezing in a splash of fresh lime juice. It is so simple yet such a refreshing and delicious way to beat the heat on a warm summer day.

    Hope you try playing Suikawari and making watermelon juice this summer!

    Watermelon Juice in a glass and ingredients in a wooden board.

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    3.91 from 22 votes
    Watermelon Juice | Easy Japanese Recipes at
    Watermelon Juice
    Prep Time
    15 mins
    Total Time
    15 mins
    Refreshing and cool watermelon juice with a splash of lime is the perfect drink to enjoy on a hot summer day.
    Course: Drinks
    Cuisine: Japanese
    Keyword: easy, fruit juice
    Servings: 1 glass
    Author: Namiko Chen
    • 2 cups watermelon (chopped)
    • ¼ lime (squeeze, save Juice)
    • 1 Tbsp simple syrup (See Notes)
    • 1 slice lime (for garnish, optional)
    • Mint leaves (for garnish optional)
    1. Gather all the ingredients.

      Watermelon Juice Ingredients
    2. Cut the watermelon into chunks removing the rind and seeds. Place the chunks into a bowl and let them cool in refrigerator for 1-2 hours.
      Watermelon Juice 1
    3. In blender, combine watermelon, lime juice and simple syrup and puree.
      Watermelon Juice 2
    4. Pour into the glass and garnish with a slice of lime and mint leaves (optional). Chill before serving if you like.
      Watermelon Juice 3
    Recipe Notes

    Simple syrup: You can replace simple syrup with regular sugar if you want to save the time.

    If you prefer to remove pulp, strain through a fine sieve. You will also need to double the portions for each ingredient per glass.

    Recipe by Namiko Chen of Just One Cookbook. All images and content on this site are copyright protected. Please do not use my images without my permission. If you’d like to share this recipe on your site, please re-write the recipe in your own words and link to this post as the original source. Thank you.


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