Watermelon Slushie

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A quick, refreshing slush made using frozen watermelon, lime juice, and water! This Watermelon Slushie is perfect for summer sipping or for bringing summer vibes to your home any time of year.

Love easy and refreshing drinks? Try our Pineapple Sangria for an adult cocktail worth making! Or give this classic Strawberry Moscow Mule recipe a try this summer.

Watermelon slushie in two stemless wine glasses with lime garnish.
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Why this Recipe Works

Watermelon is a summer must-have for my family. We enjoy more than our share of very fresh and ripe watermelons all season for snacking all season long.

Did you know you can freeze watermelon too? I love buying a few extra watermelon when they’re in season to stash in the freezer so we can keep summertime going with Watermelon Slushies even as the weather starts to cool off and the kids go back to school.

  • This slush recipe takes just a minute to blend together and it’s as refreshing as it gets!
  • No added sugar!
  • Hint of Lime.
  • Enjoy it as is or blend it with a little vodka to turn this slushie into an adult beverage.

Ingredient Notes

  • Watermelon cubes, frozen – We lay our watermelon on a metal cookie sheet after cutting it into cubes (without the rind). Stick the tray in the freezer for an hour or so, then remove the frozen cubes and put them in a large ziploc freezer bag to maintain freshness. Use our guide on how to cut a watermelon!
  • Lime juice – The juice of freshly squeezed limes tastes so much better than the bottled stuff here. I use a hand squeezer or juicer to get every last drop of the tart zesty juice from the limes.

Tips and Tricks

Watermelon cut into cubes and served in a white bowl.

You need about 4 cups of frozen watermelon chunks to make 2 slushies. Add them to a blender with the fresh squeezed lime juice and blend with about a half cup of water.

For a thinner slushie add more water until you reach the desired consistency. Or swap out all or some of water with vodka for an adult version to sip at your stay-home happy hour!

Have more watermelon chunks than you need for this recipe? These cubes are great for putting into your water or lemonade, instead of using ice cubes too. They add a hint of fruity flavor without watering down your drink or making it too sweet.

Or just save that extra watermelon for your next batch of slushies. I guarantee you you’ll want to make this recipe more than once!

Watermelon slush with a lime slice garnish.

Recipe FAQs

Can this recipe be doubled?

Yes, if your blender is large enough! I would just make two batches separately to avoid overloading a standard size blender. It only takes a minute to make each one, so you’ll have a nice big pitcher of slushies to share in no time!

Can watermelon slushies be made ahead of time?

The water and fruit will separate the longer they sit, so I recommend enjoying your watermelon slush right away after blending.

Can I use store bought frozen watermelon instead?

Yes!

Will fresh watermelon work in this recipe?

No, you would need to add ice to make it frozen which would water down the slushie and mute the flavor.

How long does frozen watermelon keep?

Frozen watermelon cubes will stay good for about 6 months in the freezer if kept sealed in freezer safe bags.

More Summer Treats

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Watermelon Slushie

5 from 2 votes
By: Aimee
A quick, refreshing slush made using frozen watermelon, lime juice, and water! This Watermelon Slushie is perfect for summer sipping or for bringing summer vibes to your home any time of year.
Prep Time: 1 hour
Total Time: 1 hour
Servings: 2 drinks

Ingredients 

  • 4 cups frozen watermelon cubes
  • 2 whole limes juiced
  • 1/2-1 cup water
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Instructions 

  • Cube watermelon and freeze on metal cookie sheet.
  • After one hour, remove from cookie sheet and place in a ziploc freezer bag for storage in freezer.
  • Remove 4 cups of watermelon cubes and place in blender. Add juice from 2 limes and about 1/2 cup water. Blend until desired consistency.
  • Add more water if needed. Pour into two glasses and enjoy with a lime slice!

Notes

  • Add shot of vodka to make into an adult beverage.
  • You need about 4 cups of frozen watermelon chunks to make 2 slushies. Add them to a blender with the fresh squeezed lime juice and blend with about a half cup of water.
  • For a thinner slushie add more water until you reach the desired consistency. Or swap out all or some of water with vodka for an adult version to sip at your stay-home happy hour!

Nutrition

Calories: 112kcal, Carbohydrates: 30g, Protein: 2g, Fat: 1g, Sodium: 7mg, Fiber: 3g, Sugar: 20g
Course: Drinks
Cuisine: American
Did you make this recipe?Mention @shugarysweets or tag #shugarysweets!
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About Aimee

Aimee is a dessert lover (specifically rice krispie treats), workout enthusiast, self-taught foodie, and recipe creator.

Learn more about Aimee.

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Posted on May 11, 2021

Comments & Reviews

  1. YUM!!! Pinned! I would love for you to share this at my Saturday Dishes Link Party this weekend! This week’s theme will be Mocktails & Kid-Friendly Drinks! Feel free to share other old or new posts that fit the theme as well if you have them! (:

    http://lifeisfantasmic.blogspot.com/

  2. just how much sugar is in watermelon? This slushy sounds amazing – especially with the lemons (thanks Jackie B) and the dash of booze – yum…

  3. I made these yesterday for Memorial Day with fresh squeezed lemon… Yum! Must try I also added extra ice, must try!!!

  4. This looks fabulous and so refreshing. I would love to have this right now. The pictures are so enticing 🙂

  5. This looks so fresh and easy! Love it! And I’ll all for prolonging summer as much as possible!

  6. My parents used to make fresh watermelon juice in the summertime (courtesy of our blender). I like that this is just a simple variation on that nostalgic beverage. The optional shot of liquor sounds like a must-have as well. 🙂

  7. I have a bag full of frozen watermelon cubes in the freezer right now! So making this this afternoon, perfect for refreshing and cooling off!

5 from 2 votes

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