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Watermelon Mocktail (sugar free, healthy)

Jul 6, 2025 · Leave a Comment

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A Watermelon Mocktail in a glass garnished with basil, mint and a watermelon cube.
A Watermelon Mocktail in a glass garnished with basil, mint and a watermelon cube.

This Watermelon Mocktail is an easy, refreshing summer drink. Fresh watermelon juice is combined with lime and fresh basil or mint, then topped with some bubbly water. There’s no added sugar and it’s also Paleo and Whole30 friendly.

A mocktail with watermelon, lime and basil in a rocks glass with ice.

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Why this recipe works

Watermelon is a popular summer fruit – it’s juicy, refreshing and sweet. This is probably why it’s the most popular melon in the U.S. (sorry, canteloupe and honeydew). It’s also 92% water, which means it also helps keep you hydrated during the hot summer months. And it’s a good source of vitamin A, vitamin C, electrolytes and other nutrients.

And while it’s great eaten as is, a quick, healthy mocktail with watermelon is a fun way to enjoy to it, too. You start by making watermelon juice, a simple process of blending watermelon chunks and then straining out the pulp. The result is juice that tastes like the essence of watermelon and, therefore, the essence of summer. Too dramatic? Maybe. But it really is surprisingly good. It’s not that sweet, either, but it’s just sweet enough that it’s not necessary to add any sugar or sweetener.

To turn it into a mocktail, you just have to muddle some lime and fresh herbs in the bottom of a glass to release their juice and flavors. Want a watermelon mint mocktail? Use fresh mint. Prefer a watermelon basil mocktail? Use fresh basil. Either way works.

And if you want a spicy watermelon jalapeno mocktail, throw a few slices of jalapeno in the glass too. It’ll add enough heat without overwhelming the drink.

Then you simply pour in the watermelon juice and ice and top it off with club soda. Your easy summer mocktail is all set!

What you need

Ingredients for 4 drinks

  • 1 pound 6 oz. seedless watermelon chunks
  • 12 slices of lime (from about 3 limes), plus more for garnish
  • 12 large basil or mint leaves, plus more for garnish
  • 8 jalapeno slices (optional), from about 1-2 jalapenos
  • ice cubes
  • club soda

Equipment

  • a blender, food processor or stick blender (you’ll also need a large bowl if using a stick blender)
  • a large measuring glass
  • a fine-mesh sieve
  • a spatula (the kind for stirring, not flipping)
  • a muddler (or a spoon)
  • rocks glasses

How to make this Watermelon Mocktail

Step 1: If you want to use some watermelon as garnish, set aside 2-3 chunks. Add the rest to a blender, food processor or large bowl if using a stick blender. Blend until completely liquified.

Watermelon chunks in a blender.
Watermelon juice in a blender.

Step 2: Set the sieve over the measuring glass. Add some of the watermelon to the sieve and push it through using a spatula. Set aside the remaining pulp in the sieve for another use, such as adding it to a smoothie. Repeat the process until you’re done with all the watermelon.

Watermelon juice in a sieve over a measuring glass.
Watermelon pulp in a sieve over a measuring glass.
Watermelon juice in a measuring glass.

Step 3: To make the mocktail, add 3 slices of lime and 3 mint or basil leaves to 4 glasses (if using jalapeno, add 2 slices to each glass as well). Use a muddler to press and mash the ingredients so they release their juices and flavors.

Muddling lime and basil in a glass.

Step 4: To each glass, add ice, then pour in 4 oz. (½ cup) watermelon juice. Top with club soda until the glass is almost full. Garnish with lime slices and mint or basil leaves. If using the watermelon as a garnish, cut the chunks into smaller chunks. Then cut a slit in the bottom of each chunk and carefully press it onto the rim of the glass. Then drink up!

A summer mocktail made with watermelon, mint and lime in a rocks glass with ice.

Frequently Asked Questions (FAQ)

Can I make substitutions?

You can use canteloupe or honeydew in place of the watermelon.

You can use lemon in place of the lime. Use only 1-2 slices per drink.

You can add flaky sea salt or Tajin to the rim of the glass if you’d like. First run a lime wedge around the outside of the rim, then roll in the salt or Tajin.

Can I make this watermelon mocktail ahead of time?

The watermelon juice can be made up to 2 weeks in advance and kept in the fridge.

Is mocktail alcoholic?

Nope! There is no alcohol in a mocktail recipe. That’s why it’s a “mock”-tail instead of a cocktail.

Can I add alcohol to this watermelon mocktail?

Yep. This would be good with a shot of vodka, gin, tequila or white rum.

Is this a vegan mocktail?

Yep. It contains no animal products of any kind, making it suitable for a vegan lifestyle.

Is this a Paleo mocktail?

Yep. It contains only real, whole food ingredients with no added sugar, making it suitable for a Paleo lifestyle.

Is this a Whole30 mocktail?

Yes. While you shouldn’t consume a lot of fruit juice during a Whole30 round (eating whole fruit is preferable), a mocktail with no added sweetener of any kind is allowed from time to time.

You might also like:

  1. Honeydew Mint Cooler
  2. Frozen Pineapple Mocktail
  3. Frozen Strawberry Mocktail
  4. Mimosa Mocktails
A watermelon mint mocktail in a rocks glass garnished with watermelon, lime and mint.

Watermelon Mocktail (sugar free, healthy)

Don Baiocchi
This Watermelon Mocktail is an easy, refreshing summer drink. Fresh watermelon juice is combined with lime and fresh basil or mint, then topped with some bubbly water. There's no added sugar and it's also Paleo and Whole30 friendly.
No ratings yet
Print Recipe Pin Recipe
Prep Time 15 minutes mins
Cook Time 0 minutes mins
Course Drinks
Cuisine American
Servings 4 drinks
Calories 40 kcal

Ingredients
  

  • 1 pound 6 oz. seedless watermelon chunks
  • 12 slices lime from about 3 limes
  • 12 large leaves fresh mint or basil
  • 8 slices jalapeno (optional)
  • ice cubes
  • club soda

Instructions
 

  • If you want to use some watermelon as garnish, set aside 2-3 chunks. Add the rest to a blender, food processor or large bowl if using a stick blender. Blend until completely liquified.
  • Set a fine-mesh sieve over a large measuring glass (at least 4 cups). Add some of the watermelon to the sieve and push it through using a spatula. Set aside the remaining pulp in the sieve for another use, such as adding it to a smoothie. Repeat the process until you're done with all the watermelon.
  • To make the mocktail, add 3 slices of lime and 3 mint or basil leaves to 4 rocks glasses (if using jalapeno, add 2 slices to each glass as well). Use a muddler or a spoon to press and mash the ingredients so they release their juices and flavors.
  • To each glass, add ice, then pour in 4 oz. (½ cup) watermelon juice. Top with club soda until the glass is almost full. Garnish with lime slices and mint or basil leaves. If using the watermelon as a garnish, cut the chunks into smaller chunks. Then cut a slit in the bottom of each chunk and carefully press it on to the rim of the glass. Then drink up!

Notes

Substitutions
You can use canteloupe or honeydew in place of the watermelon.
You can use lemon in place of the lime. Use only 1-2 slices per drink.
You can add flaky sea salt or Tajin to the rim of the glass if you’d like. First run a lime wedge around the outside of the rim, then roll in the salt or Tajin.
If you want to add alcohol, this would be good with a shot of vodka, gin, tequila or white rum.
Make ahead
The watermelon juice can be made up to 2 weeks in advance and kept in the fridge.

Nutrition

Serving: 1drinkCalories: 40kcalCarbohydrates: 11gProtein: 1gFat: 0.2gSaturated Fat: 0.02gPolyunsaturated Fat: 0.1gMonounsaturated Fat: 0.05gSodium: 2mgPotassium: 149mgFiber: 1gSugar: 7gVitamin A: 662IUVitamin C: 15mgCalcium: 15mgIron: 0.4mg
Keyword mocktail with watermelon, watermelon basil mocktail, watermelon mint mocktail, watermelon mocktail
Tried this recipe?Mention @paleoglutenfreeguy or tag #paleoglutenfreeguy!

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Well hello there! I’m Don, the creator behind Paleo Gluten Free Guy. I share fun, vibrant recipes for good health and pure enjoyment. All of my recipes are gluten-free and the majority of them are also Paleo, meaning they’re free of grains, dairy, refined sugar and legumes.

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