Strawberry Watermelon Smoothie

This strawberry watermelon smoothie is unbelievably quick to make and requires just a few simple ingredients. Featuring ripe melon, berries, and a touch of lime, it's juicy, refreshing, and perfect for a hot summer day!

If you’re looking for the most thirst-quenching summertime beverage, this strawberry watermelon smoothie is it, especially since you only need 5 ingredients. For another refreshing drink, check out my Bahama Mama smoothie or Detox Green Cucumber Smoothie!

Why I Love This Recipe

I love this strawberry watermelon smoothie because it’s so easy to prepare! Seriously, I make it almost daily in the summer for a quick breakfast or afternoon treat.

The combination of strawberries and watermelon creates the most refreshing, fruity flavor I can’t get enough of! Plus, it’s easy to customize with protein or your favorite smoothie add-ins.

Since it’s naturally dairy-free, this smoothie is great for all dietary needs and preferences. And with its fruit-forward flavor, it’s also kid-friendly! The texture turns out smooth and creamy, thanks to the plant milk, and the lime adds the perfect zing.

Ingredient Notes

Here’s a full breakdown of everything you’ll need for this strawberry watermelon smoothie:

• Frozen Strawberries: Provide a sweet, slightly tart flavor and chill the smoothie. Always opt for organic strawberries whenever possible because non-organic strawberries are among the most heavily sprayed fruits with synthetic pesticides.
• Watermelon: Adds a refreshing and hydrating element with its natural sweetness. I recommend seedless watermelon for the smoothest consistency, but regular watermelon with seeds will work in a pinch.
• Lime Juice: Balances the sweetness with its tangy acidity. Use freshly squeezed lime juice over lime juice from concentrate.
• Lime Zest: Gives a fresh, citrusy aroma and enhances the overall flavor. Plus, it’s a great way to reduce the waste from your juiced limes.
• Maple Syrup: Adds a touch of natural sweetness without overpowering the fruit flavors.
• Soy Milk: Provides creaminess and a smooth texture. Use original, unsweetened soy milk over vanilla or sweetened soy milk.

Substitutions

• Strawberries: Fresh strawberries also work, but make sure to add a few cubes of ice. If you don’t have strawberries, you can replace them with raspberries for a more tart flavor.
• Lime: If you don’t have lime, use lemon zest and juice. It will slightly alter the flavor but still provide a citrusy touch.
• Maple Syrup: Use an equivalent amount of agave syrup or coconut nectar instead of maple syrup for a different sweetener.
• Soy Milk: Coconut milk or oat milk are both great options to replace soy milk.

How to Make

There aren’t many steps involved in this strawberry watermelon smoothie recipe, but make sure to follow all my tips and tricks for the best results.

Preparation

Wash and hull the strawberries if you’re using fresh ones. Cut the watermelon into chunks, removing any seeds (if not seedless). Grate the lime zest with a box grater or microplane and squeeze out the juice using a citrus squeezer.

Assembly

Step 1
Zest the lime using a zester or the smallest side of a box grater, taking care to only remove the green part of the peel, as the white pith beneath is bitter. Squeeze the juice from the lime into a separate glass.

Step 2
Add the strawberries, watermelon, lime zest, lime juice, maple syrup, and soy milk to a high-speed blender. For a thicker smoothie, use frozen strawberries or add a few ice cubes. Blend everything on high until smooth and creamy. Stop and scrape down the sides of the blender if needed to ensure all ingredients are fully incorporated.

Step 3
Taste the smoothie and adjust the sweetness by adding more maple syrup if you want. For an extra burst of flavor, add a pinch of salt to enhance the sweetness!

Expert Tip

For the best watermelon strawberry smoothie, use ripe, sweet watermelon and frozen strawberries. The frozen strawberries give the smoothie a thick and frosty texture without the need for ice, which can dilute the flavor.

If your smoothie is too thick, add a bit more plant milk until you reach your desired consistency. Always taste and adjust the sweetness or acidity to suit your preferences, making each smoothie just right for your preferences.

Variations

• Add a handful of spinach or kale for a green smoothie with added nutrients.
• Include a frozen ripe banana for extra creaminess and a boost of potassium.
• Blend in a scoop of your favorite vegan protein powder for a post-workout drink.
• Include a few chunks of pineapple or mango for a tropical twist and burst of flavor.
• Make a mixed berry watermelon smoothie by adding raspberries and blueberries.

Cooking Tips

• Fresh Ingredients: Fresh produce makes a big difference in the flavor of your watermelon strawberry smoothie. I prefer to buy U-Pick berries and freeze them myself.
• Use Frozen Strawberries: Using frozen strawberries helps achieve a thick, cold smoothie consistency. It also prevents diluting the flavor with ice.
• Opt for Seedless Watermelon: Use seedless watermelon whenever possible for a smoother final texture.
• Use a High-Speed Blender: It’s much easier to achieve an ultra-smooth texture with a high-speed blender like Vitamix or Blendtec. 
• Blend Thoroughly: Ensure all the ingredients are blended thoroughly for the best consistency. Stop to scrape down the sides, especially if you don’t have a high-speed blender.

Frequently Asked Questions

Storing

The strawberry watermelon smoothie is best enjoyed immediately for the best taste and texture. However, you can store it in an airtight container in the fridge for up to 24 hours, or freeze it in ice cube trays to use in other smoothies or reblend later.

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