Sharon Palmer RD

Published on August 15, 2026

Watermelon Basil Slushie: A Refreshing Healthy Summer Drink

Summer is the perfect time to cool off with an ice-cold Watermelon Basil Slushie! Made with juicy, vine-ripened watermelon and fragrant fresh basil, this easy watermelon slushie delivers the ultimate combination of sweet, refreshing fruit and an herbal twist. Watermelon also provides lycopene, a naturally occurring antioxidant associated with heart health, making this a delicious way to enjoy the nutritional benefits of seasonal produce. Whip up this simple healthy summer drink with only four ingredients for a hot afternoon, backyard gathering, picnic, or whenever you’re craving a refreshing taste of summer.

Watermelon Basil Slushie (Vegan, Gluten-Free)

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Watermelon Basil Slushie

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Author: The Plant-Powered Dietitian
Total Time: 10 minutes
Yield: 2 servings 1x
Diet: Vegan

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Description

Cool off with this refreshing Watermelon Basil Slushie, made with juicy summer watermelon and fresh basil. A healthy, naturally sweet summer drink.

Ingredients

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4 cups cubed fresh watermelon, peeled, seeded, chilled
1 lemon, juiced
1 tablespoon agave syrup
2 tablespoons coarsely chopped basil leaves

Garnish:

2 basil leaves

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Instructions

Place watermelon, lemon, agave syrup, and basil in a large blender, and process until smooth.
Pour into 2 large glasses (about 1 1/2 cups each), garnish with basil, and serve immediately. Or place in the refrigerator in an airtight container until serving time.

Prep Time: 10 minutes
Category: Beverage
Cuisine: American