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Home » Recipes » Cocktails » Virgin Drinks

Blueberry Watermelon Lemonade Slush

By: T Worthey  »  Updated: April 7, 2023  »   View our disclosure policy

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Super refreshing slushies are all the rage this summer, and you can’t go wrong with our Blueberry Watermelon Lemonade Slush.

Mixed with frozen watermelon, fresh lemon juice, citrus tonic water, and mint, this is the perfect summertime mocktail recipe! 

Super refreshing slushies are all the rage this summer and you can't go wrong with our Blueberry Watermelon Lemonade Slush. Mixed with frozen watermelon, fresh lemon juice, citrus tonic water, and mint this is the recipe for the perfect summertime mocktail! 

Blueberry Watermelon Lemonade Slush

Summertime is all about sippin’ on something cool and refreshing, right?

We couldn’t agree more, so we created the perfect defense against those long hot summer days; get your hands on our Blueberry Watermelon Lemonade Slush.

It has all the earmarks of a delicious refreshment with frozen watermelon, fresh lemon juice, the effervescent fizz of citrus tonic water, and the rejuvenating taste of just-picked mint. 

Try this summer slush creation, and you’ll be on super chill status in no time flat.

Plus, it’s easy to make and can be made just before your guests arrive for your backyard barbecue on a hot summer day or enjoyed alone when it’s just you for a relaxing evening at home.

No matter the occasion, this is the perfect sipper. You will only want more of this easy recipe, promise!

Be sure to try our Watermelon Mojito Smoothie

                                                            The only summertime slush you will need this summer.

Ingredients needed for this frozen lemonade slush summer mocktail

Watermelon. Start by slicing 5 cups of seeded watermelon into one-inch square chunks and place them on a cookie sheet lined with parchment paper to prevent sticking. Freeze them overnight, or 2-3 hours ahead.

Blueberry simple syrup. I find using a homemade blueberry simple syrup made with fresh blueberries a great option for the best flavor. And when you’re out looking for blueberries, be sure to look for sweet ones, like the blueberries from North Bay Produce. 

Fresh lemon juice. Citrus or tonic water. To help give this lemonade slush some flavor and to balance out the watermelon and blueberries, we’re using juice from freshly squeezed lemon and tonic water. 

Garnish. For this slush recipe, we’re using slices of watermelon as a showstopping garnish. You could also look for Meyer lemons and uses lemon slices as a garnish too! 

                                                                        Cold and refreshing is the name of the game.

The combination of homemade blueberry simple syrup, fresh lemon juice, just-picked mint, and fizzy citrus tonic water make this perfect drink one you will want to sip all summer long.

Blueberry Watermelon Lemonade Slush

Makes 4 servings

Ingredients:

  • 5 cups frozen watermelon chunks (cut 1″x1″ watermelon chunks and place them on a cookie sheet lined with parchment paper, freeze them overnight or a few hours ahead)
  • 1/2 cup blueberry simple syrup 
  • juice of a fresh lemon
  • 2 cups citrus or regular tonic water
  • 4 large fresh mint leaves
  • Watermelon wedges for garnish

Directions:

  1. Combine frozen watermelon chunks, blueberry simple syrup, lemon juice, and fresh sprigs of mint in a blender (or food processor) and blend until you get a slush consistency.
  2. Fill a Tom Collins glass 3/4 full and top with chilled citrus tonic water.
  3. Use a long-handled bar spoon and give the drink a few turns.
  4. Garnish with a wedge of watermelon and serve with a straw.
  5. Serve.

How to make Blueberry Simple Syrup

  1. Add a cup water, a cup of sugar, and a cup of fresh blueberries to a small saucepan.
  2. Bring to a boil and stir for 3 minutes. Mash the berries with a fork, remove the pot from heat and cover with a tight-fitting lid.
  3. Allow the syrup to steep for 10 minutes. Strain the syrup through a fine-mesh sieve into a mason jar, screw on the lid, and keep it in the fridge for up to two weeks.

 

Summertime Mocktail drinks

And, it’s so easy to put together; your guests may think you spent hours meticulously preparing this simply delicious slush, but let’s keep them guessing as you serve them up.

Can you freeze watermelon? 

Yes. You can freeze your watermelon to give it a nice texture for this slush.

Since watermelon is mostly water, it freezes up nicely and works perfectly for making slushes and mixed drinks. 

How can I make my watermelon taste better?

The blueberry syrup in this drink will help sweeten the watermelon.

You will find that sugar is going to make it taste even sweeter.

Now you could add salt to watermelon if you are eating it. I love to add salt to watermelon. 

summer slushie idea with blueberry and watermelon

What is tonic water? 

Tonic water is very popular and used in mixing cocktails. This carbonated water has quinine, giving the tonic water a bitter component.

It is a sour aspect of a mixed cocktail. 

There are so many great options when it comes to what brand to use, so go for your favorite flavor and brand! 

Is tonic water alcohol?

Tonic water is not alcoholic. It is water that is a sour or bitter flavor.

You will find you can drink tonic water at room temperature over a cup of ice and a splash of lime for a refreshing non-alcoholic beverage. 

lemonade slush idea

Can I add alcohol to this lemonade slush? 

Do you want to kick this party into overdrive? I thought you might!

Add an ounce and a half of premium Blanco rum or vodka to this lemon slush recipe, and you’re good to go!

Either way, it’s going to be a yummy good time. I’ll drink to that!

It will give it a nice kick, and you can add 1-2 shots per glass, depending on how much you want in terms of alcohol in your slush. 

lemonade slush recipe with blueberries and watermelon

This icy drink is one the whole family can enjoy, and that’s always a good thing! It’s the perfect way to enjoy summer with some fresh and simple ingredients. 

Find more summer drinks to try:

Blueberry Smash Tea Mocktail

Bluebarb Frozen Slush {mocktail + cocktail rhubarb slush ideas}

The Salted Caramel Slush

Watermelon Vodka Cocktail

Watermelon Pink Lemonade Vodka Cocktail

46 Non-Alcoholic Drinks

34 Refreshing + Summery Mason Jar Drinks To Beat The Heat

Drink Healthy Recipes to try:

Sorrel Tonic Mojito Infused Water

Creative Ways I Drink More Water

Blueberry Watermelon Lemonade Slush

Blueberry Watermelon Lemonade Slush

5 from 1 vote
Print Pin Rate
Servings: 0
Author: This Worthey Life
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Ingredients
 

  • 5 cups frozen watermelon chunks cut 1"x1" watermelon chunks and place them on a cookie sheet lined with parchment paper, freeze them overnight or a few hours ahead
  • 1/2 cup blueberry simple syrup add a cup of water, a cup of sugar, and a cup of fresh blueberries to a saucepot, bring to a boil and stir for 3 minutes, mash the berries with a fork, remove the pot from heat and cover with a tight-fitting lid, allow the syrup to steep for 10 minutes, strain the syrup through a fine-mesh sieve into a mason jar, screw on the lid and keep in the fridge up to two weeks)
  • juice of a fresh lemon
  • 2 cups citrus or regular tonic water
  • 4 large fresh mint leaves
  • Watermelon wedges for garnish

Instructions

  • Combine frozen watermelon chunks, blueberry simple syrup, lemon juice, and mint leaves in a blender and blend until you get a slush consistency.
  • Fill a Tom Collins glass 3/4 full and top with chilled citrus tonic water.
  • Use a long-handled bar spoon and give the drink a few turns.
  • Garnish with a wedge of watermelon and serve with a straw.
  • Serve.
Tried this recipe?Mention @thiswortheylife or tag #thiswortheylife!
Created 6/2019 | Updated 7/2022

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