This green protein smoothie is creamy, naturally sweet, and packed with plant-based protein from three different seed sources and vegan protein powder. It’s vegan, gluten-free, and ready in 5 minutes.
Most green protein smoothies rely solely on protein powder for a protein boost. That’s fine, but it results in a chalky texture and a monotonous flavor. And this is not the case. What’s the secret? Triple seed combo (chia, hemp, flax) adds creaminess and protein without the grittiness.
This is different from my traditional smoothies like Apple Blueberry Lemon Smoothie and Blueberry Pie Smoothie because it is rich in protein. And Lord knows, we could all use more protein.
This green protein smoothie ticks all the flavor boxes and delivers about 17 grams of plant-based protein per serving. You can also get more protein by adding more chia seeds, hemp seeds, or even protein powder.
Frozen bananas and pineapple also perfectly mask the bitterness of kale and spinach. The whole family will love it, so please give it a try!
Why this green protein smoothie is effective
Combining spinach and kale provides a broader nutritional profile than using just one vegetable. The spinach blends more smoothly, and the kale adds fiber and a bit more hearty texture. Together they disappear into a tropical flavor.
Cucumbers may seem like an odd addition, but they’re the unsung hero here. Adds volume and hydration without adding extra calories or sweetness. Plus, it thins your smoothie naturally so you don’t have to add extra liquid.
For more smoothie inspiration, check out my full collection of 42 delicious dairy-free smoothies. You’ll find options for every desire and season.
Ingredient memo
See recipe card below for exact measurements and complete instructions.
Frozen bananas: For a rich, creamy texture, freezing them is a non-negotiable. Fresh bananas will give you a thin, watery smoothie. Peel and slice before freezing for easier blending.
Spinach and Kale: I use a 50/50 mix for the best balance of flavor and texture. You can also use all-spinach if you prefer a milder flavor, but I don’t recommend all-kale unless you really like that earthy flavor.
Frozen pineapple: This gives your smoothie a tropical flavor instead of “green.” Don’t skip it. Fresh pineapple works well, but you won’t get the same richness.
Triple Seed Combo: Chia seeds, hemp seeds, and flaxseeds each offer different nutrients and textures. Hemp seeds add creaminess, chia seeds thicken, and flaxseeds boost omega-3s. You can only use one type if you have one.
Vegan Protein Powder: We use Vanilla Naked Pea Protein. Blends smoothly without any chalky aftertaste. Hemp protein also works, but adds a nuttier flavor. The unflavored powder goes well with a touch of maple syrup.
Unsweetened Almond Milk: You can use any plant-based milk. The oat milk makes it creamier and the coconut milk adds a tropical touch. Use unsweetened versions to keep the sugar content reasonable.
Lemon juice: Optional but recommended. The acid brightens all the flavors and helps balance out the earthiness of the greens. Start with half a lemon and adjust to taste.
How to make a green protein smoothie
Step 1: Prepare the bananas. If you haven’t frozen your bananas ahead of time, peel and cut them into chunks and freeze them for at least an hour. I always keep a bag of pre-sliced frozen bananas in the freezer for smoothie emergencies.
Step 2: Add everything to blender. Layer the ingredients on the bottom of the liquid to make mixing easier. Start with almond milk, then add vegetables, then frozen fruit, seeds, and protein powder. Add lemon juice and ice, if using.
Step 3: Blend until smooth. Blend on high for 60-90 seconds until completely smooth and creamy. If it’s too thick, add a little almond milk. If it’s too thin, add a few more ice cubes or frozen fruit and blend again.
Step 4: Serve immediately. Pour into a glass and enjoy immediately. Green smoothies do not store well as their color and texture change quickly.
Best green protein smoothie tips
Blend the vegetables first. If your blender doesn’t work with leafy greens, first blend the spinach and kale with the almond milk until smooth. Then add everything else. This will prevent green clumps from remaining in your finished smoothie.
Use a high speed blender. A regular blender will work, but a high-speed blender like a Vitamix or Ninja will give you a perfectly smooth and creamy texture. Seed decomposition is also improved.
Make it thicker or thinner. To increase the consistency of your smoothie bowl, reduce the almond milk to 3/4 cup and add frozen fruit. For a drinkable smoothie, use one cup of milk and add ice if needed.
Prepare smoothie pack. Divide bananas, vegetables, pineapple, and seeds into freezer bags. When you’re ready to blend, throw the pack into the blender, add milk and protein powder, and you’re done. This is a game changer for busy mornings.
offer suggestions
This smoothie contains protein and fiber, so it serves as a complete breakfast on its own. I drink it after my morning workout when I need something that’s filling but not too heavy.
For a heartier meal, pair with chickpea flour pancakes or slices of homemade vegan bread with almond butter.
Drizzle with extra hemp seeds, sliced banana, or almond butter for texture and staying power.
FAQ
To be honest, no. Frozen bananas and pineapple completely hide the “green” taste. The smoothie has a tropical and slightly sweet taste. If you’re nervous, start with just spinach (it’s mild) and then add kale as you get used to it.
I prefer vanilla pea protein or hemp protein. This is because it blends smoothly and complements the tropical flavors. Avoid protein powders containing stevia if you are sensitive to aftertastes. It can be used without flavoring, but the taste is more neutral.
Not recommended. Green smoothies oxidize quickly, turning brown in color and grainy in texture within a few hours. For best results, blend and drink immediately. To save time, you can prepare smoothie packs for the freezer.
Replace almond milk with oat milk, coconut milk, or soy milk. All three work well in this recipe. Oat milk makes it a little creamier, and coconut milk adds a tropical flavor.
Be sure to use ripe bananas. This is also important because unripe bananas won’t have enough sweetness to balance out the vegetables.
For meal replacement smoothies, aim for 20 to 30 grams of protein. If this is your only meal, adjust your protein sources to keep you feeling full longer. You’ll need closer to 15 grams for a snack or post-workout smoothie.
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Quantity: 2 for one person
calorie: 210kcal
material
Instructions
If you haven’t frozen your bananas yet, peel them and cut them into chunks. Freeze the smoothie for at least an hour before making it.
Combine frozen banana chunks, spinach leaves, kale leaves, chopped cucumber, frozen pineapple chunks, chia seeds (or flaxseeds), hemp seeds, vegan protein powder, almond milk, and lemon juice (if using) in a blender. If desired, add a handful of ice cubes to make a colder smoothie.
Blend on high speed until smooth and creamy. If it’s too thick, add a little more almond milk. If it’s too thin, add a few more ice cubes or frozen fruit.
Blend again until well mixed and desired consistency is reached.
Simply pour your smoothie into a glass and enjoy its optimal freshness and nutrition.
Precautions
For the best texture, freeze the banana chunks at least an hour in advance. Adjust the consistency by adding more almond milk if it’s too thick, or more ice/frozen fruit if it’s too thin. Best eaten immediately for optimal freshness and nutrition.
nutrition
Provided by: 1g | calorie: 210kcal | carbohydrates: 26g | protein: 17g | fat: 8g | Saturated fat: 1g | fiber: 6g
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