Summertime just got more delicious with this simple Watermelon Banana Smoothie that can be served as a refreshing snack. Watermelon is naturally sweet and hydrating, and perfect for a cold and naturally sweet smoothie!

watermelon smoothie in a glass with a plate of fresh fruit.

If you love the flavor of watermelon, then you are going to go crazy for this smoothie. You only need 4 real ingredients, plus ice.

This is my favorite way to use up extra watermelon, especially on a hot summer day. I also love this gorgeous Watermelon Fruit Cake!

Why You Need This Recipe

This Watermelon Banana Smoothie is:

  • dairy-free, gluten-free, and vegan,
  • made using real food ingredients high in Vitamin C,
  • doesn’t need any added sugar,
  • is the perfect summertime treat.

Ingredients

ingredients with labels for watermelon banana smoothie

Watermelon makes the base of this smoothie. Try to find a seedless and ripe watermelon if you can.

Frozen banana and frozen pineapple add thickness and balance the flavor of the watermelon.

Milk adds creaminess to this yummy summer smoothie. I used almond milk but you can use whatever type of milk you like.

Recipe Steps

process photos for how to make this watermelon banana smoothie

Step One

Making this watermelon smoothie recipe is just about as easy as it gets. It’s ideal to use a high-speed blender like a Vitamix or Blendtec, but you can also use a regular blender.

To start, add the almond milk and chilled watermelon chunks to the base of your blender.

Step Two

Then, add the frozen banana and frozen pineapple.

Step Three

Add ice cubes to help thicken the smoothie.

Step Four

Bland and serve immediately.

This delicious watermelon smoothie should be served cold as soon as you’re done blending it.

picture pouring smoothie into glass.

Recipe Tips & Substitutions

  • If you prefer a thicker smoothie, feel free to add up to a cup of ice cubes.
  • Use a seedless watermelon to avoid the bitter black seeds.
  • Fresh mint leaves are good in this smoothie too, but it will alter the color.
  • If you want to make this smoothie as a meal replacement, you can add a scoop or two of an unsweetened clean protein powder.
  • For an adult beverage, add a shot of vodka to the blender. See my recipe for a Watermelon Vodka Cocktail.

Recipe FAQs

Can I use frozen watermelon chunks instead of fresh watermelon?

Yes, but you may need to add a little bit of water to help the ingredients blend.

What is my watermelon isn’t sweet?

It is a good idea to test your watermelon before making this drink. As long as your watermelon is average or above average on the sweetness scale, your smoothie will turn out awesome. If your watermelon isn’t sweet, you may need to add a teaspoon or two of honey (vegans can use maple syrup).

Can I blend the watermelon seeds?

It is best to use seedless watermelon for this recipe. The white seeds are okay, but try to avoid using watermelon with a lot of black seeds as they will make your smoothie bitter.

two glasses of watermelon smoothie with pineapple on edge.

More Healthy Recipes You Might Like During Summer

Or, you can see my entire index of healthy smoothie recipes.

I hope you make this recipe! If you do, please leave a comment and a starred review below.

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watermelon banana smoothie in glass

Watermelon Banana Smoothie

Summertime just got more delicious with this simple Watermelon Banana Smoothie that can be served as a refreshing snack. Watermelon is naturally sweet and hydrating, and perfect for a cold and naturally sweet smoothie!

  • Total Time: 16 minutes
  • Yield: 2 1x

Ingredients

Units Scale
  • 1 cup unsweetened almond milk
  • 2 cups seedless watermelon chunks, chilled
  • 1 frozen banana, broken in half
  • 1/2 cup frozen pineapple niblets or chunks
  • 1/2 cup ice

Instructions

  1. In the base of a high-speed blender, combine the almond milk, watermelon chunks, banana, pineapple, and ice.
  2. Blend on high for about 30 seconds, or until the smoothie is fully blended.
  3. Serve immediately.

Notes

  1. If you aren’t on a dairy-free diet, you can replace the almond milk with regular milk or vanilla yogurt.
  2. This recipe is easily doubled or tripled.
  3. To make this smoothie a meal replacement, feel free to add a scoop of protein powder and a tablespoon of chia seeds per serving.
  4. If you prefer a thicker smoothie, feel free to add up to a cup of ice cubes.
  5. Use a seedless watermelon to avoid the bitter black seeds.
  6. Fresh mint is good in this smoothie too, but it will alter the color.
  7. For an adult beverage, add a shot of vodka to the blender.

Keywords: watermelon pineapple smoothie, vegan watermelon drink, summer fruit smoothie

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