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Our dad first made this watermelon smoothie recipe when we were younger, and we’ve been obsessed ever since. The love keeps going with our daughter, Mel, who happens to be obsessed with watermelon (and smoothies). We can’t blame her because this drink is delicious!

The combination of strawberries and watermelon is a match made in heaven – fresh, flavorful, cold and delicious (just as good as our Aloha Tropical Smoothie and Strawberry Banana Smoothie).

We love that simple, healthy ingredients can be mixed together to make something so delicious and refreshing.

Why we think you’ll love it:

  • Warm weather refresher. Nothing beats the sweet, light, and cool flavor of watermelon when you’re craving something to cool you down. This smoothie is like summer in a glass!
  • No-fuss recipe. With just a few simple ingredients and a blender, you can whip this up in minutes. There’s no complicated prep, so you can get to sipping on something delicious fast.
  • Easily customizable. You can make it with or without dairy, add other fruit, or even toss in a little lime juice to give it a zesty kick. It’s a great base for creating your own perfect summer drink!

Watermelon Smoothie Ingredients

  • 1 ยฝ cups watermelon cubed
  • 1 cup strawberries, trimmed
  • ยฝ cup milk, optional – skim milk or almond milk is good for keeping calories away, but any milk works fine
  • 1 teaspoon lemon juice
  • 2 SPLENDAยฎ Naturals Stevia Sweetener packets, optional – or a little sugar (depending on your sweet your watermelon is)
  • ยฝ cup ice
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Ingredients in blender for watermelon smoothie recipe.

How to Make a Watermelon Smoothie

  1. BLEND. Add all ingredients to a blender and blend until combined. Serve cold. Pour into glasses and savor every sip!

Keep it cold โ€“ Watermelon has a high water content, so serve right after blending for the best texture and flavor.

Kristyn’s Recipe Tips

  • Pick a good watermelon. Follow the tips in this post to help you pick the perfect watermelon for a sweet smoothie and cut it with ease!
  • Use frozen fruit. Freeze the watermelon or strawberries beforehand for a thicker, frostier smoothie without needing extra ice.
  • Add a boost. For extra nutrition, toss in a handful of spinach, chia seeds, or a scoop of protein powderโ€”it wonโ€™t change the refreshing taste m
  • Mix it up by adding other fruit. These other combos work great and taste delicious:
    • watermelon + blackberries
    • watermelon + blueberries + peaches
    • watermelon + fresh lime/lemon juice + raspberry juice + mint
Watermelon smoothie poured into cup with straws in it.
Watermelon smoothie recipe in a cup with straws and watermelon near it.
5 from 3 votes

Watermelon Smoothie Recipe

This naturally sweetened watermelon smoothie is refreshing and under 100 calories! It's the perfect healthy treat to satisfy that sweet tooth.
Servings: 2
Prep: 5 minutes
Cook: 1 minute
Total: 6 minutes

Ingredients 

  • 1 ยฝ cups watermelon cubed
  • 1 cup strawberries trimmed
  • ยฝ cup milk
  • 1 teaspoon lemon juice
  • 2 SPLENDAยฎ Naturals Stevia Sweetener packets
  • ยฝ cup ice

Instructions 

  • Add all ingredients to a blender and blend until combined. Serve cold. 

Nutrition

Calories: 95kcal, Carbohydrates: 17g, Protein: 3g, Fat: 2g, Saturated Fat: 1g, Cholesterol: 6mg, Sodium: 28mg, Potassium: 318mg, Fiber: 1g, Sugar: 13g, Vitamin A: 745IU, Vitamin C: 52.6mg, Calcium: 88mg, Iron: 0.6mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Recipe FAQ

How to store?

Add a little bit of lemon juice or Sure Fresh so the smoothie doesnโ€™t brown.
If thereโ€™s a little room at the top of the container, cut a piece of plastic wrap and place it directly onto the top of the smoothie. Store in the fridge for 12 hours or in the freezer for up to 3 months.

How to prep ahead?

Wash, slice, and divide the fruit into individual-sized portions and keep them in Ziploc bags in the freezer.
The ice and milk are best added to the smoothie right before mixing.
Simply empty the bag ofย frozen fruit into the blender, pour in the milk, lemon, ice, and blend!

This recipe was originally published January 2019.

About Kristyn

Kristyn Merkley is a published cookbook author, wife, mom of six, and major food enthusiast! For the past 15 years, she has been sharing foolproof, family-friendly recipesโ€”each one tested in her kitchenโ€”that anyone can master. As a seasoned recipe creator, she loves making cooking simple, stress-free, and totally doable for everyone!

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5 from 3 votes

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Recipe Rating




5 Comments

  1. Colleen Mounsey says:

    I love watermelon. Never met a watermelon o didnโ€™t like.

  2. Mackenzie says:

    5 stars
    We have made a few of the lil Luna smoothie recipes in the past and they have all been delicious. We decided to try one we havenโ€™t made before-the watermelon smoothie. No surprise-it was awesome! Everyone loved it. Super refreshing super fun. Will definitely make again in the summer too!

    (We didnโ€™t add the milk- per picky kids request- but still super yummy)

  3. Andy Dettinger says:

    Shan ovell recipe how to make you naked and with good drinks how you think it seems out

  4. Amy Huntley says:

    5 stars
    I love how much flavor this smoothie has with not a lot of calories!

  5. Becca says:

    5 stars
    This would make the PERFECT V-day Breakfast! Quick and easy before school but still pink and festive.