Watermelon Basil Cooler Recipe
Introduction
If you’re looking for something light and refreshing, the Watermelon Basil Cooler is a must-try! This drink combines juicy watermelon with aromatic basil, creating a uniquely refreshing and hydrating mocktail. It’s perfect for summer picnics or a relaxing afternoon in the garden.

Ingredients
- 4 cups seedless watermelon (diced)
- 1/4 cup fresh basil leaves
- 1 lime (juiced)
- 1-2 tablespoons honey or agave syrup (optional)
- Sparkling water
- Ice cubes
- Basil sprigs (for garnish)
Instructions
- Step 1: In a blender, combine the diced watermelon and lime juice. Blend until smooth.
- Step 2: If you prefer a smoother drink, strain the mixture through a fine mesh sieve to remove the pulp.
- Step 3: In a pitcher, combine the watermelon juice with chopped basil leaves and honey or agave syrup, stirring well.
- Step 4: Fill glasses with ice cubes, pour the watermelon mixture over the ice, and top off with sparkling water.
- Step 5: Stir gently and garnish with basil sprigs. Serve chilled.
Tips & Variations
- For an extra kick, add a splash of fresh ginger juice or a few slices of jalapeño for a spicy twist.
- Try using sparkling lemon water instead of plain sparkling water for a citrusy note.
- If fresh basil isn’t available, mint leaves can be a refreshing substitute.
- Adjust the sweetness by adding more or less honey or agave syrup according to your taste.
Storage
Store any leftover watermelon basil cooler in an airtight container in the refrigerator for up to 2 days. Stir well before serving, as ingredients may settle. It’s best enjoyed chilled and fresh for optimal flavor and fizz.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make this drink ahead of time?
Yes, you can prepare the watermelon juice and basil mixture in advance and refrigerate it. Add the sparkling water and ice just before serving to maintain the fizz.
Is this recipe suitable for kids?
Absolutely! This mocktail contains no alcohol and is a healthy, hydrating option perfect for children and adults alike.
Print
Watermelon Basil Cooler Recipe
- Total Time: 10 minutes
- Yield: 4 servings 1x
- Diet: Vegetarian
Description
The Watermelon Basil Cooler is a refreshing and light mocktail that combines the natural sweetness of juicy watermelon with the aromatic flavor of fresh basil. Enhanced with a hint of lime juice and a touch of honey or agave syrup, this drink is served chilled over ice and topped with sparkling water for a fizzy finish. Perfect for summer picnics or relaxing afternoons, it offers a hydrating and sophisticated twist on a classic fruit cooler.
Ingredients
Watermelon Cooler Base
- 4 cups seedless watermelon, diced
- 1 lime, juiced
- 1/4 cup fresh basil leaves
- 1–2 tablespoons honey or agave syrup (optional)
To Serve
- Sparkling water, to top off
- Ice cubes
- Basil sprigs, for garnish
Instructions
- Blend Watermelon and Lime Juice: In a blender, combine the diced watermelon and freshly squeezed lime juice. Blend until the mixture is completely smooth, creating the base for your cooler.
- Strain the Mixture (Optional): For a smoother texture, pour the blended mixture through a fine mesh sieve to remove any pulp or seeds. This step is optional depending on your texture preference.
- Mix with Basil and Sweetener: In a pitcher, stir together the watermelon juice, chopped fresh basil leaves, and honey or agave syrup if using. Mix well to infuse the basil flavors and sweeten the drink to taste.
- Assemble the Cooler: Fill glasses with ice cubes. Pour the watermelon and basil mixture over the ice, then top off each glass with sparkling water to add a refreshing fizz.
- Garnish and Serve: Gently stir each drink to combine, garnish with a fresh basil sprig, and serve chilled for maximum refreshment.
Notes
- Adjust the sweetness by varying the amount of honey or agave syrup.
- Use cold sparkling water and chilled watermelon for the best refreshing effect.
- If fresh basil is not available, mint can be used as an alternative for a different but equally refreshing flavor.
- To make this cooler vegan, use agave syrup or omit the sweetener.
- For a party version, consider adding a splash of sparkling wine or vodka for an adult cocktail twist.
- Prep Time: 10 minutes
- Cook Time: 0 minutes
- Category: Beverage
- Method: Blending
- Cuisine: American
Keywords: watermelon cooler, basil cooler, summer drink, refreshing mocktail, watermelon mocktail, basil drink, hydrating beverage

