Kid-Friendly Watermelon Slush

Featured in: Meals Kids Will Love

Transform juicy watermelon cubes into a refreshing, frozen slush perfect for kids and grown-ups alike. Simply blend and strain the melon, stir in sugar and lemon for tangy sweetness, then freeze while stirring for an icy texture. Add a splash of 7-Up or Sprite just before serving for bubbly fun, and enjoy a naturally sweet, hydrating summer drink that comes together quickly with minimal ingredients and effort. Great for parties, snacks, or a cooling afternoon sip.

Tags: #halal #gluten-free #vegetarian #kid-friendly #budget-friendly #north-american #freezer-friendly #low-calorie #easy #over-30-minutes #snack #summer

sana kitchen chef
By Sana Sana
Updated on Tue, 01 Jul 2025 22:17:17 GMT
Two glasses of watermelon slush, a refreshing and healthy drink for kids. Pin it
Two glasses of watermelon slush, a refreshing and healthy drink for kids. | recipebyme.com

This icy watermelon slush is everything a hot afternoon needs The recipe transforms a few simple ingredients into a refreshing treat that is naturally sweet and bright enough for both kids and grownups It is a backyard favorite that always disappears faster than I expect and it is so easy the kids love to help make it

I first made this to surprise my kids on a sticky summer day They loved scooping the fluffy flakes and mixing their own with the lemon soda It is now our official kickoff to summer snack

Ingredients

  • Watermelon cubes: gives the slush its base flavor and color look for ripe seedless watermelon for the sweetest results
  • Granulated sugar: balances watermelon’s natural flavors if your melon is extra sweet feel free to reduce the amount
  • Freshly squeezed lemon juice: adds brightness and brings out the fruity flavors use ripe lemons for the freshest zing
  • 7 Up or Sprite: adds fizz and a fun twist to each glass opt for real sugar versions if possible

Instructions

Prep the Watermelon:
Cut the watermelon into bite-sized cubes removing as many seeds as possible Use a sharp knife and a sturdy cutting board for safety
Blend Until Smooth:
Blend cubes in a blender or food processor until no chunks remain Process in batches if needed to avoid spills
Strain and Collect Juice:
Pour blended watermelon through a fine mesh strainer into a large bowl or a deep dish Press gently with a spoon to get every drop of juice leaving the pulp behind
Dissolve Sugar and Lemon Juice:
Add granulated sugar and freshly squeezed lemon juice to the strained juice Stir well until sugar is completely dissolved for a smooth sweet base
Freeze and Fluff:
Pour the mix into a large bowl or baking dish Place in the freezer Stir the mixture every 45 minutes with a fork to break up ice crystals This trick makes the texture perfectly slushy Continue for 2 to 3 hours until the mixture is granular but scoopable
Scrape to Slush:
Once frozen use a large metal spoon to scrape the mixture into fluffy icy clumps Keep scraping until you have a generous mound of watermelon flakes
Fill and Fizz:
Spoon the slush into glasses filling each about three quarters full Top with a splash of chilled 7 Up or Sprite and gently swirl with a spoon to combine
Serve Up Summer:
Add a festive straw serve immediately and savor every frosty sip with your family
A glass of watermelon juice with a mint garnish and a slice of watermelon on the side.
A glass of watermelon juice with a mint garnish and a slice of watermelon on the side. | recipebyme.com

This recipe makes me appreciate how watermelon can become something magical with just a little effort Every summer I remember my kids’ pink cheeked smiles the first time they tasted this slush and how it turned an ordinary afternoon into a treat

Storage tips

The slush keeps in the freezer for two days though it is best enjoyed when freshly scraped If storing for later let it sit at room temperature for five minutes before scraping and serving

Ingredient substitutions

You can swap in lime juice for the lemon if you prefer a tangier twist A splash of coconut water makes an even more tropical flavor If you need it sugar free try monk fruit or stevia in place of granulated sugar

Serving suggestions

Set up a slush bar with fruit garnishes like strawberries or mint Add a few watermelon balls on a skewer for extra fun Kids love mixing in their own soda and adults can sneak in a splash of sparkling water

Cultural and historical context

Watermelon is a summer staple in so many cultures because it is hydrating and fun to share In some regions watermelon drinks are a classic hot weather cooler This recipe updates that tradition for modern family kitchens

Seasonal adaptations

Use peak summer watermelons for the best flavor Try mixing in a little frozen mango for variety Garnish with mint or basil for a gourmet twist

Success stories

Lots of friends have brought this slush to birthday parties and backyard cookouts Kids love scooping their own and it is a hit with picky eaters too Even adults have asked for seconds so it is a true crowd pleaser

Freezer meal conversion

You can freeze the watermelon mixture fully ahead then just scrape and serve when ready It is also handy to freeze the strained juice in ice cube trays for single servings later on Busy summer days made easy with a little prep

A glass of red frozen juice with a lemon wedge on the side.
A glass of red frozen juice with a lemon wedge on the side. | recipebyme.com

Try this watermelon slush and make any hot day a celebration Whether for family snack time or a summer gathering it brings smiles every time

Recipe FAQs

→ How do I get a smooth watermelon slush texture?

Strain the blended watermelon to remove the pulp, then stir the freezing mixture every 45 minutes to break up large ice crystals for a smooth, fluffy slush.

→ Can I use other sodas instead of 7-Up or Sprite?

Yes, any lemon-lime or mild flavored sparkling drink works well for extra fizz and sweetness.

→ Do I need to add the sugar?

If your watermelon is very sweet, you can reduce or skip the sugar. Adjust to taste as needed.

→ How long does the watermelon slush keep in the freezer?

For best texture, enjoy within 1-2 days. If stored longer, the slush may become icy or hard. Scrape before serving.

→ Can I use a different citrus juice?

Try lime juice for a tangier flavor or combine lemon and lime for extra brightness.

→ Is this safe for young children?

With simple ingredients and no alcohol or artificial additives, this slush is great for kids. Always serve with supervision.

Kid-Friendly Watermelon Slush

Juicy watermelon blended with lemon, sweetened, frozen, and topped with soda for a cool treat.

Prep Time
15 min
Cook Time
180 min
Total Time
195 min
By Sana: Sana


Skill Level: Easy

Cuisine: American

Yield: 6 Servings (6 glasses)

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

Ingredients

01 6 cups watermelon cubes, seeds removed
02 1/4 cup granulated sugar
03 1 tablespoon freshly squeezed lemon juice
04 7-Up or Sprite, to serve

Steps

Step 01

Place watermelon cubes in a blender or food processor and process until completely smooth.

Step 02

Press the pureed watermelon through a fine mesh strainer into a large bowl or 9x13-inch baking dish to remove pulp, collecting the juice.

Step 03

Stir granulated sugar and lemon juice into the strained watermelon juice until the sugar dissolves fully.

Step 04

Transfer the sweetened juice to the freezer and freeze for 2 to 3 hours, stirring with a fork every 45 minutes to create a granular texture.

Step 05

When the mixture is fully frozen, use a large spoon to scrape the frozen watermelon into fluffy slush.

Step 06

Spoon the slush into glasses, filling each three-quarters full. Add a small amount of 7-Up or Sprite to each glass and stir gently. Garnish as desired and serve promptly.

Notes

  1. For best texture, stir the freezing mixture regularly to achieve fine, even ice crystals. Serve immediately for optimal slush consistency.

Required Equipment

  • Blender or food processor
  • Fine mesh strainer
  • Large mixing bowl or 9x13-inch baking dish
  • Fork
  • Large spoon

Nutritional Info (per serving)

This data is provided as a guide and doesn't replace medical advice.
  • Calories: 95
  • Fats: 0.2 g
  • Carbohydrates: 25.5 g
  • Proteins: 0.9 g