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Home » Recipes » Desserts

Watermelon Slushie Recipe

Published: Jun 15, 2025 by Janet · This post may contain affiliate links · Leave a Comment

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Why You’ll Love This Recipe

If you're a fan of watermelon, you'll adore this slushie! It's simple to make, only requires a few ingredients, and is the ultimate thirst-quencher. The combination of juicy watermelon and ice creates a light and refreshing beverage that’s both healthy and indulgent at the same time. Plus, it’s a great way to use up extra watermelon when it's in season. You can easily adjust the sweetness and consistency to your liking, making it a versatile and fun drink to enjoy at any time of day.

Ingredients

  • 4 cups of seedless watermelon cubes (frozen)

  • 1-2 tablespoons of honey or agave syrup (optional, for sweetness)

  • ½ cup of lime juice (freshly squeezed)

  • ½ cup of cold water or coconut water

  • Ice (optional, depending on desired consistency)

(Tip: You'll find the full list of ingredients and measurements in the recipe card below.)

Directions

  1. In a blender, combine the frozen watermelon cubes, lime juice, and cold water (or coconut water).

  2. Add the honey or agave syrup if you prefer extra sweetness.

  3. Blend the ingredients until smooth and slushy, adding ice if needed to achieve your preferred consistency.

  4. Pour into glasses and serve immediately. Optionally, garnish with fresh mint or a slice of lime for extra flair.

Servings and Timing

  • Servings: 2-3

  • Prep Time: 5 minutes

  • Total Time: 5 minutes

Variations

  • Mint Watermelon Slushie: Add a few fresh mint leaves to the blender for a refreshing minty twist.

  • Berry Watermelon Slushie: Blend in some strawberries, raspberries, or blueberries for a fruity mix.

  • Coconut Watermelon Slushie: Use coconut water for a tropical flavor and extra hydration.

  • Spicy Watermelon Slushie: Add a pinch of chili powder or cayenne pepper for a bit of heat.

Storage/Reheating

Watermelon Slushies are best enjoyed immediately after preparation to maintain their refreshing slushy texture. However, if you have leftovers, you can store them in an airtight container in the freezer. When ready to serve again, blend the frozen mixture to restore the slushy consistency.

FAQs

1. Can I make this slushie without a blender?

No, a blender is essential to achieve the slushy texture. You can use a food processor if you don’t have a blender, but the result might be slightly different.

2. Can I use fresh watermelon instead of frozen?

Yes, you can use fresh watermelon, but the texture will be less slushy. To achieve a thicker consistency, add extra ice or freeze the fresh watermelon cubes beforehand.

3. How do I make the slushie sweeter?

You can add honey, agave syrup, or a bit of sugar to sweeten the slushie according to your taste preferences. Start with a small amount and adjust as needed.

4. Can I add alcohol to the watermelon slushie?

Yes, you can turn this into an adult drink by adding rum, vodka, or tequila for a refreshing cocktail.

5. How can I make the slushie more creamy?

Add a splash of coconut milk, almond milk, or regular milk to the blender for a creamier texture.

6. How do I store leftovers?

Store leftover watermelon slushie in an airtight container in the freezer. When ready to enjoy, blend again for a smooth slushy texture.

7. Can I use a different fruit in this slushie?

Yes, you can substitute watermelon with other fruits like strawberries, peaches, or mangoes for a different flavor.

8. Is this recipe vegan?

Yes, this watermelon slushie is naturally vegan, as long as you use a plant-based sweetener like agave syrup.

9. How can I make this slushie without lime juice?

If you don’t have lime juice, you can substitute with lemon juice or even orange juice for a slightly different flavor profile.

10. How do I get the slushie to stay cold longer?

To keep your slushie colder for longer, try serving it in chilled glasses or even freeze the glass for a few minutes before pouring in the slushie.

Conclusion

This Watermelon Slushie is the perfect way to cool off and enjoy the vibrant, refreshing taste of watermelon. It’s simple to make, customizable, and sure to become a go-to drink for any occasion. Whether you’re craving something sweet and hydrating or looking for a fun twist on a classic beverage, this slushie checks all the boxes.

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Watermelon Slushie Recipe

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This Watermelon Slushie is a refreshing and sweet treat that's perfect for those hot summer days. It's packed with natural watermelon flavor, chilled to perfection, and blended to create a slushy, icy texture that’s both hydrating and delicious.

  • Author: Janet
  • Prep Time: 5 minutes
  • Total Time: 5 minutes
  • Yield: 2-3 servings
  • Category: Beverage
  • Method: Blending
  • Cuisine: American
  • Diet: Vegan

Ingredients

4 cups of seedless watermelon cubes (frozen)

1-2 tablespoons of honey or agave syrup (optional, for sweetness)

½ cup of lime juice (freshly squeezed)

½ cup of cold water or coconut water

Ice (optional, depending on desired consistency)

Instructions

  1. In a blender, combine the frozen watermelon cubes, lime juice, and cold water (or coconut water).
  2. Add the honey or agave syrup if you prefer extra sweetness.
  3. Blend the ingredients until smooth and slushy, adding ice if needed to achieve your preferred consistency.
  4. Pour into glasses and serve immediately. Optionally, garnish with fresh mint or a slice of lime for extra flair.

Notes

  • Watermelon Slushies are best enjoyed immediately after preparation to maintain their refreshing slushy texture.
  • If you have leftovers, store them in an airtight container in the freezer. When ready to serve again, blend the frozen mixture to restore the slushy consistency.
  • For variations, you can add fresh mint leaves, berries, or even a pinch of chili powder for a different twist.
  • This recipe is naturally vegan if you use a plant-based sweetener like agave syrup.

Nutrition

  • Serving Size: 1 serving
  • Calories: 120
  • Sugar: 25g
  • Sodium: 5mg
  • Fat: 0g
  • Saturated Fat: 0g
  • Unsaturated Fat: 0g
  • Trans Fat: 0g
  • Carbohydrates: 30g
  • Fiber: 1g
  • Protein: 1g
  • Cholesterol: 0mg

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Hi, I’m Janet! Welcome to Recipes by Janet, where I share simple, delicious, and reliable recipes for every meal.

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