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Hungry Healthy Happy » Recipes » Drinks

Strawberry Watermelon Smoothie

Published: Jun 4, 2025 · Written by Dannii Martin · This post may contain affiliate links which earn us commissions if purchases are made · Leave a Comment

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Diet: Gluten Free / Low Fat / Vegan
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Strawberry watermelon smoothie with a text overlay title.
Strawberry watermelon smoothie with a text overlay title.

This super refreshing Strawberry Watermelon Smoothie needs to be made on repeat this summer. A simple combination of frozen strawberries, watermelon and a little lime, this is a favorite with kids and a great way to keep them hydrated all summer long.

A glass of red coloured smoothie next to three strawberries.

Anything with watermelon goes down well in our house, which is a big win because it's so hydrating which is one less thing to worry about in the summer.

Just 3 simple ingredients and less than 5 minutes is all you need - this smoothie with watermelon and strawberry is summer in a glass! It's a great way to use up leftover watermelon too.

Using frozen strawberries makes this an ice cold slushy watermelon strawberry smoothie. and it's totally naturally sweetened. You can even make a grown-up version which goes down very well at summer parties.

Looking for more refreshing summer drinks? Try our easy Frozen Fruit Smoothie or our delicious Peach Iced Tea.

Jump to:
  • Ingredients and Substitutions
  • Variations
  • How To Make a Strawberry Watermelon Smoothie - Step by Step
  • Tips For Making The BEST Strawberry Watermelon Smoothie
  • Frequently Asked Questions
  • More Watermelon Recipes
  • Recipe
  • Feedback

Ingredients and Substitutions

All the ingredients needed for this recipe with text overlay labels.

A full ingredients list, along with US Customary and Metric measurements, can be found in the recipe card at the end of this post.

  • Strawberries - We used frozen strawberries as it helps to thicken up the smoothie and makes it icy cold. You can use fresh if you prefer.
  • Watermelon - You can use fresh or frozen watermelon cubes. It might be a little too thick if you are using frozen, so you may need to add a splash of water to thin it out.
  • Lime - This just goes so well with the watermelon. You can use lemon juice instead.

Variations

Alcohol - You can make a grown-up variation of this with some alcohol in it. A splash of rum (white or dark) or tequila works very well.

Fruit - Whilst watermelon is the base, because it has such a high water content and we haven't added any other liquid, you can swap the strawberries for something else. Other frozen berries like cherries or raspberries work or even frozen mango or pineapple.

Fizzy - If you wanted to make this strawberry and watermelon smoothie stretch a little further and add a fizzy twist to it, then some sparkling water can be poured into it.

Mint - Like we have done with our Watermelon Slushie, you can add some fresh mint to this. Just add a little at a time, as you don't want it to be overpowering.

How To Make a Strawberry Watermelon Smoothie - Step by Step

A blender jug containing watermelon cubes and frozen strawberries.
  1. Step 1: Put all of the ingredients into a blender.
Blended watermelon smoothie in the blender jug.
  1. Step 2: Blend until smooth.

Tips For Making The BEST Strawberry Watermelon Smoothie

  • If you wanted to make a creamy version, then add a little Greek yogurt to the blender.
  • If you are using frozen strawberries, then you need a really good high powdered blender to be able to handle the frozen berries. We love our Ninja 3-in-1 Blender.
  • If you want to make this even sweeter, then you can add a little maple syrup or honey to the blender. Taste it first and see how you like it and then adjust the sweetness.
A strawberry smoothie in a glass garnished with a whole strawberry and a slice of lime.

Frequently Asked Questions

How to store leftover smoothie

When it comes to smoothies, we try to only make as much as we need. However, this actually freezes really well as it's just fruit. Any leftovers can be frozen in a ziploc freezer bag and then lay it flat in the freezer and it will be good for a couple of weeks. Then just blend it with a splash of liquid.

More Watermelon Recipes

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    Chocolate Dipped Watermelon
  • A plate of kale, watermelon and feta salad surrounded by watermelon slices.
    Kale, Watermelon and Feta Salad
  • Fruit kebabs on a wooden serving board.
    Fruit Kebabs
  • A Christmas Fruit Tray on a wooden surface next to a red towel.
    Christmas Fruit Tray

If you’ve tried this watermelon strawberry smoothie, let us know how you got on in the comments below.
Tag us in your creations on Instagram @hungryhealthyhappy - Use the hashtag #hungryhealthyhappy too.

Recipe

A glass full of strawberry watermelon smoothie next to a blue towel.

Strawberry Watermelon Smoothie

By: Dannii Martin
Beat the heat with a strawberry watermelon smoothie. Just three ingredients blended into a hydrating summer delight.
A circular logo saying GF.
Gluten Free
the words low fat in a white circle.
Low Fat
An illustration of a v-shaped plant in a pot.
Vegan
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Course: Drinks
Cuisine: British
Prep: 2 minutes mins
Total: 2 minutes mins
Servings: 2 servings
Calories: 96kcal
Allergens:
No Common Allergens

Ingredients

  • 250 g (1.75 cups) Frozen strawberries
  • 350 g (2.33 cups) Watermelon
  • 2 tablespoon Lime juice

Instructions

  • Put all of the ingredients into a blender.
  • Blend until smooth.

Recipe Tips

  • If you wanted to make a creamy version, then add a little Greek yogurt to the blender.
  • If you are using frozen strawberries, then you need a really good high powdered blender to be able to handle the frozen berries.
  • If you want to make this even sweeter, then you can add a little maple syrup or honey to the blender. Taste it first and see how you like it and then adjust the sweetness.

Nutritional Information

Serving: 1portion | Calories: 96kcal | Carbohydrates: 24g | Protein: 2g | Fat: 1g | Saturated Fat: 0.1g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 0.1g | Sodium: 3mg | Potassium: 405mg | Fiber: 3g | Sugar: 17g | Vitamin A: 1018IU | Vitamin C: 92mg | Calcium: 34mg | Iron: 1mg

The nutritional information provided is approximate and is calculated using online tools. Information can vary depending on various factors, but we have endeavoured to be as accurate as possible.

As all appliances vary, cooking times are a guide. Please note that by changing the serving size, the cooking time may also need to be altered.

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My name is Dannii. Here you will find easy family recipes with a healthy twist.

Established in 2011, Hungry Healthy Happy has become one of the UK's most popular food blogs, with two successful recipe books published.

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