This Zucchini Smoothie is creamy, fresh, and one of the easiest ways to sneak a little extra veg into breakfast or snack time. Frozen zucchini gives the smoothie body without bringing a strong vegetable flavor, while banana, peanut butter, spinach, almond milk, and vanilla protein powder keep everything smooth, lightly sweet, and satisfying. Best of all, it takes about five minutes from blender to glass.
Try my Spiced Banana and Cinnamon Smoothie recipe.
Why You’ll Love This Recipe
- Ready in 5 minutes: Everything goes straight into the blender.
- Creamy without dairy: Almond milk and banana create a smooth texture.
- Hidden vegetables: Zucchini blends in without overpowering the flavor.
- Easy breakfast or snack: Quick enough for busy mornings.
- Plant-based: No dairy or eggs required.
- Naturally refreshing: Frozen zucchini keeps the smoothie cold and thick.
- Easy to customize: Adjust the milk, nut butter, or protein powder to suit what you have.
Try my Lemony Pineapple Protein Smoothie recipe.
What You’ll Need to Make Zucchini Smoothie
- 8 fluid ounces (240 ml) unsweetened almond milk
- 3.5 ounces (100 g) frozen zucchini
- 1 banana
- 1 tablespoon (about 8–10 g) vegan vanilla protein powder
- 1 ounce (30 g) baby spinach
- 1 tablespoon unsalted peanut butter
What You’ll Need to Do
Prep Time: 5 minutes
Cook Time: 0 minutes
Total Time: 5 minutes
Serves: 2

- Pour the almond milk into your high-speed blender first.
- Add the frozen zucchini, banana, vanilla protein powder, baby spinach, and peanut butter.
- Secure the lid and blend on high until everything is completely smooth and creamy.
- Stop the blender and check the consistency.
- If the smoothie is thicker than you like, add a small splash of almond milk and blend again.
- If you want it colder or thicker, add a couple of ice cubes and blend once more.
- Divide the smoothie between two glasses.
- Serve immediately while cold and creamy.
Try my Fiery Green Smoothie recipe.
Easy Ingredient Swaps
Almond milk: Oat milk, soy milk, cashew milk, or another unsweetened plant milk can work.
Peanut butter: Almond butter, cashew butter, or sunflower seed butter are easy alternatives.
Banana: Frozen mango can work if you want a different flavor, although the smoothie will taste less creamy.
Baby spinach: Kale can be used, but it has a slightly stronger flavor.
Vanilla protein powder: Plain or chocolate vegan protein powder can work depending on the flavor you want.
Try my Tangy Sunrise Smoothie recipe.
Some Twist and Tweak Ideas
Add cinnamon for a warmer flavor.
Blend in a little cocoa powder for a chocolate version.
Add chia seeds or ground flaxseed.
Use frozen banana as well as frozen zucchini for an extra-thick smoothie.
Add a splash of vanilla extract.
Mix in a spoonful of oats for a more substantial breakfast.
Add a few berries for extra fruit flavor.
Use chocolate protein powder and peanut butter for more of a chocolate-peanut combination.
Try my Citrus Green Smoothie recipe.
Some Helpful Tips
Use frozen zucchini. It helps make the smoothie thick and cold without needing lots of ice.
Add the liquid first. This helps the blender pull the other ingredients down toward the blades.
Use ripe banana. A ripe banana brings more sweetness and creates a smoother texture.
Blend thoroughly. Spinach and zucchini disappear much better with a full high-speed blend.
Adjust the liquid slowly. It’s easy to thin a smoothie, but harder to thicken it again.
Check your protein powder. Different brands vary a lot in sweetness, texture, and serving size.
Try my Tropical Power Shake: The Breakfast That Tastes Like a Vacation recipe.
Why Zucchini Works in a Smoothie
Zucchini has a very mild flavor, especially when paired with banana and peanut butter.
Once frozen, it also gives the smoothie a thicker texture without making it taste strongly vegetal.
That makes it a handy ingredient when you want to add vegetables without turning the smoothie into something that tastes like a salad.
Some Budget-Friendly Tips
Use fresh zucchini when it is inexpensive, chop it, and freeze it yourself.
Store-brand almond milk works perfectly well.
Use regular smooth peanut butter rather than specialty nut butter.
Buy bananas when they are ripe or discounted and freeze extras for smoothies.
If protein powder is expensive, use a smaller amount or buy larger tubs if you use it regularly.
Some Serving Ideas

Serve this smoothie with:
- Whole grain toast
- Peanut butter toast
- Overnight oats
- Granola
- Fresh fruit
- Breakfast muffins
- Chia pudding
- A handful of nuts
It also works perfectly well on its own when you just need something fast.
Try my Cinnamon Roll Protein Shake recipe.
Great for a Quick Breakfast
This smoothie is especially useful when mornings are rushed.
You can portion the frozen zucchini, spinach, banana, and protein powder into freezer containers ahead of time.
When you’re ready to make the smoothie, just add almond milk and peanut butter, then blend.
Some Storage Tips
This smoothie is best enjoyed immediately after blending.
If needed, store it in a sealed jar or bottle in the refrigerator for up to 24 hours.
Give it a good shake or stir before drinking because some separation is normal.
If it becomes too thick while refrigerated, add a splash of almond milk.
There’s no need to reheat this smoothie.
Final Thoughts
This Zucchini Smoothie is simple, creamy, and a very easy way to work a little extra veg into your day.
The zucchini stays mild, banana brings natural sweetness, peanut butter adds richness, and spinach and protein powder round everything out.
Five minutes, one blender, and breakfast or snack is sorted.
Zucchini Smoothie
I love this Zucchini Smoothie when I want something quick, creamy, and fresh! 🥒🥤 Banana, spinach, peanut butter, almond milk, and vanilla protein powder make it easy and satisfying.
Ingredients
Instructions
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Pour the unsweetened almond milk into a high-speed blender.
-
Add the frozen zucchini, banana, vegan vanilla protein powder, baby spinach, and unsalted peanut butter.
-
Secure the blender lid and blend on high speed until the mixture is completely smooth and creamy.
-
Stop the blender and check the consistency.
-
If a thinner smoothie is preferred, add a small amount of additional almond milk and blend again.
-
If a colder or thicker smoothie is desired, add a few ice cubes and blend until smooth.
-
Divide the smoothie evenly between two glasses.
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Serve immediately.
Nutrition Facts
Servings 2
- Amount Per Serving
- Calories 165kcal
- % Daily Value *
- Total Fat 6g10%
- Sodium 105mg5%
- Total Carbohydrate 22g8%
- Dietary Fiber 4g16%
- Sugars 10g
- Protein 7g15%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.
Note
Estimated Glycemic Index: ~42
Estimated Glycemic Load per Serving: ~9
