This strawberry watermelon smoothie makes a great addition to breakfast or as a quick post-workout snack. Made with just 4 ingredients, this recipe is simple and quick to throw together. Plus, the watermelon and strawberries in this smoothie provide Vitamin C, helping to support your immune system – always important for active folks!

Ingredients and Instructions
You only need 4 simple ingredients to make this recipe:
- Watermelon – Make sure it’s fresh watermelon, not frozen, for this recipe. The watermelon will provide all the liquid needed for this smoothie recipe.
- Frozen strawberries – These pair so well with watermelon! I also use the strawberry watermelon combo in this mini pie recipe.
- Frozen banana – Just half of one adds a nice creaminess to the smoothie.
- Protein powder – You can use either plant-based protein powder or whey protein powder for this recipe. I love the protein powders from NOW Foods (they’re a client of mine) – and you can save 20% off with code CHRISSY.
Once you’ve got all your ingredients, toss ‘em in a blender cup or regular blender.
Mix it up! It may seem weird because you’re not adding any liquid, but the juiciness of the watermelon adds all the moisture you need to blend this. Of course, if it ends up being hard work for your blender, just add another few chunks of watermelon or a little water to help get it going.
Then pour it in a glass and enjoy!
Recipe FAQ
Here are some common questions that may come up as you’re preparing this recipe:
Smoothies are best made when you’re ready to enjoy them, as the ingredients can separate a bit after being stored in the fridge. It can also lose it’s creamy, icy texture.
Add a few extra chunks of watermelon or a few tablespoons of water, and it should blend properly.
This recipe is vegan as long as you choose a plant-based protein powder.
Nutrition Benefits
As a dietitian, I love this recipe because it…
- Provides 14 grams of protein, key for muscle repair and recovery after a workout! If you don’t have a meal planned for several hours after a workout, you can try adding this smoothie to your day right after a sweat session. (Keep in mind that this is meant to be a small snack to tide you over until your next meal which should contain adequate carbohydrates and protein.)
- Meets your Vitamin C needs for the day! As you know, Vitamin C is important for immune health and skin health.
- Provides 14% of your daily magnesium needs, a mineral that’s essential for many functions in the body and may play an important role for athletes.
- Has 17% of your daily potassium needs! This electrolyte plays a role in muscle contractions, blood pressure regulation, and small amounts are lost in sweat – making it key for active folks.
More Smoothie Recipes
If you’re looking for more healthy smoothie recipes, be sure to give one of these a try:
- Turmeric banana smoothie
- Pumpkin coffee smoothie (great way to start the day in the fall!)
- Pineapple mango smoothie
- Cacao smoothie
- Apple and arugula smoothie
I hope you enjoy this recipe! If you get a chance to try it, feel free to leave a recipe rating or comment below.
Strawberry Watermelon Smoothie
Ingredients
- 1 ½ cups chopped watermelon (fresh, not frozen)
- 1 cup frozen strawberries
- ½ frozen banana
- ½ scoop vanilla protein powder (plant-based or whey)
Instructions
- Place all ingredients in a blender cup or regular blender. Blend together. Enjoy!
Notes
- It’s not a typo that there’s no liquid in the ingredients; the fluid content of the watermelon is enough for blending. However, if you have trouble blending it, just add another few chunks of watermelon or a tablespoon or two of water.
Nutrition
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