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watermelon balls with lime and mint simple syrup in a clear glass cup
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5 from 12 votes

Watermelon Balls with Lime and Mint Syrup

Watermelon balls with lime & mint simple syrup is a refreshing summer treat! 4 ingredients with an option to add vodka or rum for spiked watermelon balls!
Prep Time15 mins
Chilling Time30 mins
Total Time45 mins
Course: Appetizer, Dessert
Cuisine: American
Servings: 4
Calories: 159kcal


  • 4 - 5 cups of watermelon about one personal sized watermelon
  • ½ teaspoon lime zest
  • juice of half a lime

Mint Simple Syrup

  • ¼ cup sugar
  • ¼ cup water
  • 2 sprigs of mint about ⅛ cup


  • cup vodka adjust amount to your liking; can substitute with rum or tequila


Mint Simple Syrup

  • Add sugar and water to a small saucepan and heat until it comes to a simmer. Take it off the stove, add the mint, and cover with a lid. Allow the mint to steep until the syrup cools and then remove the mint.


  • Using a melon baller, scoop out the watermelon into a large bowl. You can also cut into cubes to save time.
  • Add in the lime zest, lime juice, and optional liquor. Adjust amount of mint simple syrup to add depending on how sweet your watermelon is. Start with 2 Tablespoons and adjust to your liking.
  • Chill the watermelon balls in the fridge and serve cold. The longer you let it soak, the more infused your watermelon will be. Soak for up to a day.


  • You can soak watermelon balls for up to a day but any longer and the watermelon texture may get soft.
  • The watermelon may release some of their juices during the chilling/soaking process. Adjust with more mint simple syrup or vodka according to your tastes right before serving.
  • Store the mint simple syrup in the fridge for up to 5 days. Discard if cloudy or the color changes.


Calories: 159kcal | Carbohydrates: 36g | Protein: 1g | Sodium: 1mg | Sugar: 12g