Name: Watermelon Slushie
Prep time: 5 min
Total time: 5 min
Ingredients: 2 cups frozen seedless watermelon cubes; 1 cup frozen strawberries; Juice of 1 lime; 1 –2 tablespoons honey (to taste); ¼ cup cold water (plus more if needed); Pinch of salt; Optional: fresh mint (watermelon or lime wedges for garnish)

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This refreshing Watermelon Slushie is the perfect way to cool down on a hot summer day! Made with juicy watermelon, strawberries for their bright color and extra flavor, fresh lime juice, and a touch of honey, this icy drink is naturally sweet, hydrating, and easy to blend up in minutes. It's a fun and healthy option for kids and adults alike, great for pool days, picnics, or brunch!

Looking for more ways to beat the heat? Try my Watermelon Salad Recipe, or my Oreo Frappuccino to cool down!

Watermelon slushie in ice cream sundae glass with straw and lime wheel garnish.

Every summer, we keep a stash of frozen watermelon cubes in the freezer just for this slushie! It’s incredibly easy to make and so satisfying. You only need a blender, a few fresh ingredients, and about 5 minutes to whip up a frosty treat that’s naturally sweet and free from added sugars or artificial flavors. This is a favorite in our house for brunch, after the beach, or even as a fun mocktail for outdoor parties! If you are looking for a refreshing drink for the adults, try this gorgeous White Wine Sangria!

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Recipe Highlights
Ingredient Notes
How to Make a Watermelon Slushie
Charlotte's Tips for the Perfect Watermelon Slushies
Recipe Variations
Recipe Substitutions
Storage Tips
Recipe

Watermelon slushie on table with limes and flowers.

Recipe Highlights

6 simple ingredients (plus ice!)
Healthy and hydrating summer drink!
No refined sugar, just natural fruit and honey sweetness!
Fun mocktail for brunches or BBQs

Ingredient Notes

Watermelon: Use seedless watermelon. Freeze in cubes ahead of time for best texture.
Strawberries: Add bold color and extra flavor! You can use fresh or frozen.
Lime Juice: Fresh lime juice adds tang and brightness.
Honey: Optional, only if your watermelon isn't sweet enough you can also use maple syrup.
Ice: Optional, adds extra slush and keeps the drink extra chilled.
Water: Helps to thin out slushie if too thick.

How to Make a Watermelon Slushie

Step 1: Add frozen watermelon cubes, frozen strawberries, fresh lime juice, water, and honey (if using) to your blender.
Step 2: Blend on high until smooth and frosty.
Step 3: Pour into chilled glasses and garnish with lime and watermelon slices if desired.
Step 4: Enjoy immediately!

Watermelon slushie on spoon showing frosty texture.

Charlotte's Tips for the Perfect Watermelon Slushies

Cut and freeze watermelon cubes the night before.
Add more ice for a thicker texture or a splash of water to thin it out.
Taste your watermelon first—if it's super sweet, skip the honey.
Serve immediately for best consistency!

Recipe Variations

Swap lime for lemon or add a pinch of fresh ginger for zing.
Add a splash of coconut water for tropical vibes.
Use agave instead of honey for a vegan version.
Make it a cocktail with a splash of vodka or tequila for adults.

Recipe Substitutions

Use cantaloupe or strawberries for a different fruit base.
Substitute lime with lemon juice.
Replace honey with maple syrup or your sweetener of choice.

Storage Tips

This slushie is best served immediately after blending. You can prep the frozen watermelon ahead of time and store cubes in a freezer-safe bag for quick slushies anytime. Leftovers may separate, but can be re-blended with more ice.

Recipe