5 from 1 vote
Home » Recipes » Beverages » Easy Watermelon Slushie Recipe (Frozen Agua de Fresca)

Easy Watermelon Slushie Recipe (Frozen Agua de Fresca)

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Here is a frozen watermelon slushie recipe! Made with fresh watermelon, ice, water, and some sugar. A simple drink ready to rehydrate and fuel you on a hot day. Give this blended frozen watermelon agua fresca recipe a try.

Watermelon slushie with a straw garnished with mint sprigs.

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You might be searching for the perfect summer drink if you love watermelon. This Fresca with watermelon is one of my favorites as it is perfectly sweet.

Make sure to try out my fresh watermelon lemonade which is sweet and tart or this kiwi watermelon slushie is so colorful and fun.

Why You’ll Love This Recipe

  • Refreshing and Hydrating: This watermelon slushie is a great way to stay cool and hydrated on hot summer day.
  • Simple Ingredients: This recipe is easy and budget-friendly, using only fresh watermelon, ice, water, and a bit of sugar.
  • Quick and Easy: You can enjoy a delicious and refreshing drink with just a few minutes of preparation and blending.
  • Versatile and Customizable: You can easily adjust the sweetness or add other fruits to customize this slushie to your personal taste preferences.

What Is A Frozen Watermelon Agua Fresca?

A frozen watermelon agua fresca is an ice-blended watermelon drink that is made with ice, water, watermelon, and sugar. The ingredients come together for a light and crave-worthy drink. 

What’s in This Watermelon Slushie Recipe?

Water, sugar, watermelon, mint, and ice sitting on a white countertop.
  • Watermelon – You will want to reach for bright-colored ripe melon that is sweet in flavor. Remove the rind and white part of the watermelon. 
  • Ice – The ice is going to give the drink a slush-like consistency. 
  • Water – Filtered water is recommended so it doesn’t alter the flavor of the watermelon. 
  • Sugar—Add granulated sugar to the watermelon juice to enhance its natural sweetness. 
  • Mint Leaves – This is optional but adds a nice minty flavor as you sip your watermelon aqua. 

The complete list of ingredients, quantities, and instructions can be found in the printable recipe card below.

Substitutions and Variations

  • Honey or Agave Syrup: Instead of using granulated sugar, you can sweeten your slushy drinks with honey or agave syrup. These natural sweeteners bring an additional layer of summery flavors.
  • Cucumber: Add some peeled and chopped cucumber for a refreshing twist that complements the watermelon beautifully.
  • Lime Juice: Squeeze in some fresh lime juice to add a zesty tang that enhances the flavor profile of the slushie.
  • Coconut Water: Replace the filtered water with coconut water for a tropical flair and add electrolytes.
  • Frozen Fruits: To create a mixed fruit slushie, use frozen strawberries, raspberries, or mangoes instead of or in addition to the watermelon.
  • Sparkling Water: For a fizzy variation, use sparkling water instead of still water to give your drink a bubbly kick.
  • Herbs: Besides mint, you can experiment with other herbs like basil or rosemary to create unique and refreshing combinations.

How To Make Frozen Watermelon Agua Fresca (step-by-step directions)

Watermelon, ice, water, and sugar are added to a blender.
  1. Add ingredients to the blender except for fresh mint. (Photos 1 & 2)
  2. Blend until the watermelon is liquified and there are no longer any pieces. This takes 2-3 minutes.
  3. Pour into a glass, and serve right away. (Photo 3)
A glass of watermelon slushie sitting on a white countertop.

Expert Tip: You can blend first with water, sugar, and watermelon. Strain to remove seeds and any watermelon pieces. Then add ice to the blender with ice to make a smooth texture.

Recipe Tips

  • A ripe watermelon is needed for this recipe. Otherwise, it will lack flavor. 
  • Go ahead and use a sugar alternative if you want. Honey, agave, or other substitutes would be welcome. Just sweeten to your preference. Or leave the sugar out. 
  • Add other fruit, like watermelon, honeydew, etc., to the drink for layers of flavor. 
  • The sugar will help create a nice creamy slush texture with the ice, so I recommend granulated sugar. 
  • Leave out ice if you don’t want to make it a frozen Fresca. 

Storing Tips 

Since this is a frozen drink, you should serve it right after you blend it. Otherwise, the ice melts, and the water diminishes the watermelon flavor. 

If you happen to have extra, you can refrigerate the leftovers for 2-3 days. 

You can also freeze any leftovers in ice cube trays or popsicle molds. Use the ice cube trays for spa water or eat them as popsicles. They will freeze for 3-4 months. 

A glass of watermelon slushie garnished with mint and a wedge of watermelon on the side of the glass.

Serving Suggestions

Pair your frozen aqua watermelon Fresca with dinner! Make fish tacos and top them with this black bean and corn salsa. Or serve along with this fresh chunky salsa and chips. The drink will cool down your mouth from the spicy salsa. 

Recipe FAQs

What are the health benefits of watermelon agua fresca?

Watermelon contains lycopene and cucurbitacin E, which are said to help reduce cancer risk. Watermelon is very hydrating and loaded with a mix of vitamins like A, B6, C, and more.

Can I use frozen watermelon?

Yes, if you have frozen watermelon, go right ahead and toss it in the blender. The flavor will not be as bold, but it will still be delicious.

Can I add lime?

Add a splash of lime juice to balance the flavor and a splash of citrus. You can add as much or as little as you would like.

Need More Fruit-Flavored Recipes? Try These:

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Close up shot of watermelon slushie.
5 from 1 vote

Easy Watermelon Slushie Recipe (Frozen Agua de Fresca)


Author: Kim Schob
Course: Beverages
Cuisine: Mexican
Prep Time: 5 minutes
Total Time: 5 minutes
Yields 14 ounces
This Watermelon slushie recipe is a delicious frozen drink made with ice, sugar, and watermelon. A refreshing and tasty summer drink that is going to hydrate and re-fuel your body for another round by the pool or to get through you summer cookout.

Ingredients 

  • 4 Cups (946 ⅓ g) Ice
  • 2 Cups (304 g) Watermelon chopped
  • 1 Cup (236 ⅗ ml) Water
  • Cup (66 ⅔ g) Sugar
  • Small Watermelon Wedges optional garnish
  • Mint Sprigs optional garnish

Instructions

  • Add ingredients to the blender except for fresh mint.
  • Blend until the watermelon is liquified and there are no longer any pieces. This takes 2-3 minutes.
  • Pour into a glass, and serve right away.
  • Expert Tip: You can blend first with water, sugar, and watermelon. Strain to remove seeds and any watermelon pieces. Then add back into the blender with ice and blend to make a smooth texture.

Notes

  • A ripe watermelon is needed for this recipe. Otherwise, it will lack flavor. 
  • Go ahead and use a sugar alternative if you want. Honey, agave, or other substitutes would be welcome. Just sweeten to your preference. Or leave the sugar out. 
  • Add other fruit, like watermelon, honeydew, etc., to the drink for layers of flavor. 
  • The sugar will help create a nice creamy slush texture with the ice, so I recommend granulated sugar. 
  • Leave out ice if you don’t want to make it a frozen Fresca. 

Nutrition Information

Serving: 1 Calories: 25kcal (1%) Carbohydrates: 6g (2%) Protein: 0.1g Fat: 0.05g Saturated Fat: 0.004g Polyunsaturated Fat: 0.01g Monounsaturated Fat: 0.01g Sodium: 4mg Potassium: 24mg (1%) Fiber: 0.1g Sugar: 6g (7%) Vitamin A: 124IU (2%) Vitamin C: 2mg (2%) Calcium: 4mg Iron: 0.1mg (1%)

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