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Japanese melon cream soda with vanilla ice cream and cherry in a tall glass with bright green soda
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Melon Cream Soda (Japanese-Style Melon Soda Float)

This melon cream soda is a fizzy, creamy Japanese-style melon soda float made with melon syrup, sparkling water, and vanilla ice cream. Bright green, sweet, and refreshing, this easy melon cream soda comes together in minutes and tastes just like a café-style Japanese melon soda. Perfect for summer drinks, dessert floats, and fun homemade soda recipes.
Course Dessert, Drinks
Cuisine American, Japanese
Keyword homemade melon cream soda, honeydew cream soda, japanese cream soda, japanese melon soda, japanese soda float, melon cream soda, melon cream soda recipe, melon float drink, melon soda float, melon soda recipe, melon syrup soda, vanilla ice cream soda
Prep Time 3 minutes
Cook Time 0 minutes
Total Time 3 minutes
Servings 1 drink
Calories 190kcal
Cost $3 for entire recipe

Equipment

  • Tall glass (clear, for classic melon cream soda look)
  • Measuring spoons
  • Spoon (for gentle swirl)
  • Ice cream scoop
  • Straw (optional, for serving)

Ingredients

  • 1½–2 tablespoons melon syrup
  • 1 cup very cold sparkling water or club soda
  • 1 scoop vanilla ice cream store-bought
  • Maraschino cherry optional

Instructions

Add the Melon Syrup

  • Pour the melon syrup into the bottom of a tall glass.

Pour the Sparkling Water

  • Slowly pour very cold sparkling water over the syrup to create a bright green soda.

Lightly Swirl

  • Gently swirl once to lightly combine. Do not overmix to keep the drink fizzy.

Add the Ice Cream

  • Carefully place a scoop of vanilla ice cream on top so it floats.

Garnish and Serve

  • Top with a cherry if desired and serve immediately with a straw and spoon.

Notes

  • Use very cold sparkling water for the best fizz and classic melon cream soda foam
  • Start with 1½ tablespoons melon syrup, then adjust to taste depending on sweetness
  • Avoid adding ice, which can dilute the melon flavor and reduce carbonation
  • Add the vanilla ice cream last so it floats properly and creates a creamy foam top
  • Do not fully stir after adding the soda to keep the drink fizzy and layered
  • Honeydew-style melon syrup gives the most authentic Japanese melon cream soda flavor
  • Serve immediately before the ice cream melts into the soda
  • Chill the glass beforehand for a café-style melon soda float presentation
  • For a creamier melon cream soda, add 1 tablespoon milk before the ice cream
  • Garnish with a maraschino cherry for a classic Japanese café look