Want healthy meals your kids will love?

Strawberry Watermelon Smoothie


Absolutely simple and refreshing, this fruity strawberry watermelon smoothie needs just TWO ingredients. Fuel your kids’ next outdoor play session with a fresh, whole fruit treat.

strawberry watermelon smoothie for a healthy summer treat

Summer is prime watermelon season. June and July bring heavy, deep-red watermelons that taste oh-so-sweet and have the most concentrated nutrients you’ll find in the fruit all year long.

Given the sheer size of some single watermelons, you might find yourself with a surplus of fruit at some point this summer. (Really, we can think of worse problems…)

If you’ve given little gifts of fresh watermelon to your friends and neighbors and you still have some to spare, here’s a recipe you’ve got to try. (You know, in case your kids are getting a little bit tired of the giant watermelon bowl making appearances every day at lunch.

Fresh, cold, and fruity strawberry watermelon smoothies taste candy-sweet and are made in minutes with just two whole fruit ingredients.

fruity watermelon smoothie

Strawberry Watermelon Smoothie

Just about everyone considers strawberries a nutritional powerhouse these days, with good reason! These fat red berries deliver fiber, vitamins, and antioxidants galore.

Watermelon has a bit of a reputation for being “all sugar” and less nutritious than berries. But watermelon is packed full of nutrition, too. Watermelon provides potassium and vitamins A, C, and B6. It’s rich in an antioxidant called lycopene that helps protect our bodies’ cells from wear and tear. (Tomatoes are the most famous source of lycopene, but according to the USDA, Watermelon has about 40% MORE lycopene than raw tomatoes!) 

This smoothie uses both these fruits in their whole, natural state, so the nutritional benefits are fully available. Drink up!

cold glasses of watermelon smoothie

Pro Tips for Making a Great Watermelon Smoothie

  • You don’t need to add any extra liquid or ice to make this smoothie blend. (The watermelon is over 90% water by weight!)
  • Use seedless watermelon. You can guess why. 😉
  • Make sure to use frozen strawberries, rather than fresh, so your smoothie has a nice frosty texture
  • The recipe as written yields a drinkable smoothie. For a slushy-type drink you can eat with a spoon, try freezing cubes of watermelon first, and using a food processor (rather than a blender) to puree the fruits. (If healthy slushies are your thing, you might like these real fruit slushies, too.)
  • Drink your smoothie when it’s fresh! Blended watermelon tends to separate if it sits for too long. (The strawberries in this smoothie help emulsify the drink a bit, but it’s still best just out of the blender.)
  • You can try subbing other frozen fruits for a slightly twist on the taste and texture. Raspberries, and cherries are especially nice.
  • If you have extra strawberry watermelon smoothie, pour it into pop molds and freeze for a totally delightful whole fruit pop another day.
watermelon strawberry smoothie in glasses with straws

More of My Favorite Summer Treats

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3.8 from 49 votes

Watermelon Strawberry Smoothie

Absolutely simple and refreshing, this fruity strawberry watermelon smoothie needs just TWO ingredients. (Guess which two??) Fuel your kids’ next outdoor play session with a fresh, whole fruit treat.
Prep Time5 minutes
Cook Time0 minutes
Total Time5 minutes
Course: Snack
Cuisine: American
Servings: 4 servings
Calories: 72kcal


  • 4 cups watermelon, cube
  • 2 cups frozen strawberries


  • Place both ingredients in a blender and blend until smooth. Serve immediately.


Calories: 72kcal | Carbohydrates: 18g | Protein: 1g | Sodium: 3mg | Fiber: 2g | Sugar: 13g
Keyword : dairy free, gluten-free, lowfat, no cook, smoothie, strawberry, vegetarian, watermelon


Natalie Monson

I'm a registered dietitian, mom of 4, avid lover of food and strong promoter of healthy habits. Here you will find lots of delicious recipes full of fruits and veggies, tips for getting your kids to eat better and become intuitive eaters and lots of resources for feeding your family.

Learn More about Natalie
3.82 from 49 votes (46 ratings without comment)

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[…] this summer!  Partly because it is so delicious and partly because it is so nutritious!  Click here to find out some of watermelon’s nutrition benefits. And because my kids love popsicles, and […]

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Can anyone tell me how much of each to use
I thought I saw the recipe on facebook but cannot find it

Just blend 1 cup of watermelon and 2 cups whole strawberries together. If you want it colder or thicker, then add 5 ice cubes. Enjoy!

What a great idea!! Wish I had thought of this when we came back from our beach trip recently and had mushy watermelon at the bottom of our bowl. Thanks!!

5 stars
Went right in the kitchen after seeing this recipe and made it! Soo good and soo easy! Love it!

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I maxed out my vitamix doubling this recipe for my family of 6. It was a big hit! Thanks for the recipe!