Homemade Watermelon Slushie

A hot summer day instantly brightens with the icy slush of a homemade watermelon slushie. This refreshing treat takes only a few minutes of prep time, and it works beautifully to cool you down with its delightful blend of sweetness and citrus.

This recipe is perfect for a warm afternoon, backyard barbecues, or gatherings with friends. You can prepare the frozen watermelon cubes a day in advance, making it a fantastic option for spontaneous summer fun.

Why You’ll Love This Recipe

• The texture is wonderfully slushy, making it incredibly refreshing.
• It’s a simple five-ingredient recipe that takes minimal time to prepare.
• The combination of mint and lime enhances the watermelon flavor beautifully.
• You can customize the sweetness level with agave nectar to your preference.

What You’ll Need

Here’s what you’ll need to whip up this delicious slushie.

For the Slushie

• 5 cups watermelon cubes, frozen for 24 hours
• 1 tbsp agave nectar
• 1/2 lime, juiced
• 2 tbsp fresh mint leaves
• 2/3 cup filtered water

Substitution note: Use honey instead of agave nectar for sweetness.

Substitutions & Swaps

• Replace watermelon with frozen strawberries.
• Use lemon juice if lime is unavailable.
• Omit agave for a sugar-free version.
• Swap mint for basil for a different flavor.

How to Make It

Get ready to enjoy a delicious watermelon slushie in just a few easy steps.

Let the watermelon sit

Remove your watermelon chunks from the freezer and allow them to sit at room temperature for about 10 minutes.

Blend the ingredients

Combine the frozen watermelon chunks, agave nectar, lime juice, mint, and water in a high-speed blender.

Blend until smooth

Blend the ingredients at medium to high speed until they are evenly blended, stopping to carefully scrape down the sides of the blender as needed.

Serve and garnish

Pour the watermelon slushie into two tall glasses and garnish as desired.

How to Store It

Fridge: 1-2 hours in an airtight container.
Freezer: yes, for up to 3 days if sealed.
Reheat: not applicable, best served fresh.

Tips for Best Results

• Ensure watermelon is fully frozen for the right slushie texture.
• Adjust the amount of agave based on the sweetness of your watermelon.
• Add more mint for a stronger flavor if you love it.
• Blend longer for a smoother consistency, but avoid overheating the mixture.

Serving Suggestions

• Serve alongside grilled meats at your next barbecue.
• Pair with fresh fruit platters for a vibrant summer spread.
• Enjoy as a cooling treat during outdoor movie nights.