Cool Watermelon Slushie Drink

Featured in Easy Drink Recipes.

This watermelon slushie is a hydrating and refreshing drink made with frozen watermelon, freshly squeezed lime juice, and a hint of maple syrup. Add mint or basil for a subtle herbal twist. Simply blend the ingredients into a thick, slush-like consistency, and adjust the sweetness to taste. Perfect for hot summer days, this drink is naturally sweetened and easy to make. Serve in chilled glasses for ultimate refreshment.

Mina cooking in her kitchen
Updated on Thu, 10 Apr 2025 21:30:37 GMT
Two glasses of watermelon juice with slices of watermelon in front of them. Pin it
Two glasses of watermelon juice with slices of watermelon in front of them. | lastminrecipes.com

This refreshing watermelon slushie recipe has been my summer salvation during scorching heatwaves. The perfect balance of sweet, tart, and minty flavors creates an irresistible frozen treat that both kids and adults can't get enough of.

I first made this slushie during a particularly brutal August heat wave when even standing near the stove felt unbearable. My family now requests these vibrant pink drinks whenever the temperature climbs above 85 degrees.

Ingredients

  • Seedless watermelon cubes: The backbone of our slushie providing natural sweetness and vibrant color. Choose a ripe watermelon with a deep hollow sound when tapped.
  • Maple syrup: Adds just enough sweetness without overwhelming the natural watermelon flavor. Use the real stuff not pancake syrup.
  • Fresh lime juice: Provides essential tanginess that balances the sweetness perfectly. Roll your lime on the counter before juicing to extract maximum juice.
  • Fresh mint or basil leaves: Optional but highly recommended for an aromatic complexity that elevates this from simple to sophisticated.
  • Filtered water: Creates the perfect slushie consistency. Good quality water matters since this is a primary ingredient.

Step-by-Step Instructions

Prepare the watermelon:
Cut a seedless watermelon into 1-inch cubes and freeze them for at least 24 hours. The frozen watermelon creates the perfect slushie texture without diluting the flavor with excess ice.
Partial defrost:
Allow your frozen watermelon chunks to sit at room temperature for 5-10 minutes. This slight softening makes blending easier and prevents straining your blender motor while maintaining the perfect frozen consistency.
Combine ingredients:
Add 10 cups of frozen watermelon chunks, 2 tablespoons of maple syrup, the juice of one large lime, 1/4 cup loosely packed mint or basil leaves, and 1 1/2 cups filtered water to your high-speed blender.
Pulse and blend:
Start with several pulses to break down the frozen chunks gradually. This prevents air pockets from forming around the blades. Once partially broken down, blend continuously until you achieve a thick, slushy consistency reminiscent of a frozen margarita.
Taste and adjust:
Sample your creation and add additional maple syrup if needed. The sweetness of watermelons varies dramatically, so trust your taste buds. If the mixture is too thick to blend properly or for your preference, add small amounts of water until reaching desired consistency.
Serve immediately:
Pour into four chilled glasses for maximum refreshment. Garnish with additional mint leaves and small watermelon wedges if desired. Serve with both a straw and spoon for the perfect slushie experience.
Two glasses of watermelon juice with mint leaves. Pin it
Two glasses of watermelon juice with mint leaves. | lastminrecipes.com

The fresh mint is truly the secret weapon in this recipe. I grow mint in my garden specifically for summer drinks like this one. The aromatic oils released when blending create an incredible sensory experience that plain watermelon just can't match.

Fun Variations

For adults, consider replacing some or all of the water with vodka or white rum for a delightful summer cocktail. Start with replacing just 1/2 cup of the water with alcohol and adjust to taste. The natural sweetness of the watermelon pairs beautifully with spirits.

Make Ahead Options

While this slushie is best enjoyed immediately after blending, you can prepare components ahead of time. Cube and freeze watermelon in batches during the summer season when melons are at their peak sweetness and price.

Selecting The Perfect Watermelon

The success of this recipe depends greatly on starting with a sweet, ripe watermelon. Look for a melon with a deep, hollow sound when tapped. The underside should have a creamy yellow patch where it rested on the ground while growing, indicating ripeness.

Two glasses of watermelon slushie with mint leaves. Pin it
Two glasses of watermelon slushie with mint leaves. | lastminrecipes.com

Enjoy the incredible taste of summer in a glass with every sip of this refreshing slushie!

Frequently Asked Questions

→ Can I skip the mint or basil?

Yes, the mint or basil is optional, but it adds a refreshing herbal note that complements the watermelon and lime flavors.

→ How can I make the drink sweeter?

Adjust the sweetness by adding more maple syrup to taste. Start with 2 tablespoons and increase as needed.

→ What’s a good substitute for filtered water?

You can use sparkling water for a fizzy twist or coconut water for added flavor and hydration.

→ Can I make this slushie ahead of time?

This drink is best enjoyed fresh. However, you can freeze the blended mixture in ice cube trays and re-blend before serving.

→ What blender works best for this recipe?

A high-speed blender is ideal for achieving a smooth, slushie consistency, but most standard blenders should work as well.

Refreshing Watermelon Slushie Drink

Refreshing watermelon drink with lime, mint, and maple syrup for warm days.

Prep Time
5 Minutes
Cook Time
~
Total Time
5 Minutes
By: Mina

Category: Drinks & Beverages

Difficulty: Easy

Cuisine: Fusion

Yield: 4 Servings

Dietary: Vegan, Vegetarian, Gluten-Free, Dairy-Free

Ingredients

01 10 cups seedless watermelon cubes, frozen for at least 24 hours
02 2–4 tablespoons maple syrup
03 Juice of 1 large lime
04 1/4 cup fresh mint or basil leaves, loosely packed (optional, but recommended)
05 1 1/2 cups filtered water

Instructions

Step 01

Let the frozen watermelon chunks sit at room temperature for 5–10 minutes to defrost slightly.

Step 02

Add the watermelon, 2 tablespoons maple syrup, lime juice, mint, and water to a high-speed blender. Pulse until the watermelon begins to break up.

Step 03

Blend to a thick, slushie consistency. Adjust the maple syrup to taste, adding more if needed. If the mixture is too thick, gradually add extra water.

Step 04

Divide the slushie evenly into 4 glasses and serve immediately.

Tools You'll Need

  • High-speed blender

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: ~
  • Total Fat: ~
  • Total Carbohydrate: ~
  • Protein: ~