Chocolate Peanut Butter Protein Smoothie

ByRachael Ajmera, MS, RD
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Creamy, dreamy, and ready in 5 minutes, this Chocolate Peanut Butter Protein Smoothie is a healthy, high-protein way to satisfy your sweet tooth! Sip after hitting the gym for a quick protein boost or pair with fresh fruits as a balanced and filling breakfast.

Chocolate Peanut Butter Protein Smoothie

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Is there anything better than chocolate and peanut butter? Believe it or not, yes: high-protein chocolate peanut butter. This Chocolate Peanut Butter Protein Smoothie combines one of the most iconic flavor pairings with a boost of protein to create a creamy drink that tastes more like a milkshake than a healthy snack.

Made with simple ingredients like banana, peanut butter, chocolate protein powder, cacao powder, and plant-based milk, this smoothie comes together in just a few minutes. Plus, it’s naturally sweet, full of chocolatey goodness, and easy to customize based on whatever ingredients you have on hand.

Each serving provides a whopping 40 grams of protein, making it a solid post-workout snack or grab-and-go breakfast option. It’s filling enough to keep hunger at bay, but simple enough to make whenever a chocolate craving strikes.

If you love the combination of chocolate and peanut butter as much as I do, make sure you give this smoothie a try! And if you do make it, I’d love to hear what you think — leave a comment below and let me know how it turned out.

Why you’ll love this Chocolate Peanut Butter Protein Smoothie

  • It tastes like a creamy chocolate and peanut butter milkshake, without the added sugar.
  • It’s made with simple, pantry-friendly ingredients you probably already have on hand.
  • It’s high in protein to keep you feeling full.
  • It’s ready in just 5 minutes with minimal prep required.
  • It blends easily with just a few ingredients in a single step.
Chocolate Peanut Butter Protein Smoothie

Chocolate Peanut Butter Protein Smoothie ingredients

  • Banana adds a natural sweetness to this smoothie, along with a creamy texture. I prefer using fresh banana for a thinner, more sippable smoothie, but you can also use a frozen banana to make it a little thicker.
  • Peanut butter provides richness, healthy fats, and a nutty flavor. Stick to creamy peanut butter for the best texture and easier blending.
  • Plant-based milk helps blend up the smoothie. I used pea milk for extra protein, but other options like soy, almond, or cow’s milk (if not dairy-free) will also work!
  • Chocolate protein powder boosts the protein content and adds a chocolatey flavor (Vega Essential is my go-to!). You can also use unflavored protein powder, but make sure you add a tablespoon or two of extra cacao powder.
  • Cacao powder enhances the rich, chocolatey taste with no added sugar.

How to serve this Chocolate Peanut Butter Protein Smoothie

  • Add a sprinkle of cacao powder or chocolate shavings on top for a more indulgent vibe.
  • Serve alongside a slice of whole-grain toast or some fresh fruit for a balanced breakfast.
  • Turn it into a smoothie bowl by using less milk and topping with chopped peanuts and a drizzle of nut butter.
  • Enjoy after hitting the gym for a quick and convenient protein boost.
Chocolate Peanut Butter Protein Smoothie

Substitutions & variations

  • Banana – You can swap in ½ cup frozen cauliflower or zucchini for a lower-sugar option, but you may need to add a little maple syrup to sweeten it up.
  • Peanut butter – Swap in almond butter, cashew butter, sunflower seed butter, or powdered peanut butter if you prefer! Keep in mind that powdered peanut butter will make the smoothie lower in fat and a little less creamy.
  • Plant-based milk – Pea milk adds extra protein, but soy, almond, oat, or cashew milk all work well. You can also use dairy milk if you’re not vegan.
  • Chocolate protein powder – Vanilla or unflavored protein powder works in a pinch. Just add a little extra cacao powder to keep that rich chocolate flavor.
  • Make it sweeter – Blend in a Medjool date or a drizzle of maple syrup if you like your smoothie on the sweeter side.
  • Add some greens – Toss in a handful of spinach to squeeze in some extra veggies. The chocolate and peanut butter will do a great job masking the flavor!
  • Thicken it up – Add a handful of ice, use a frozen banana, or reduce the milk slightly for a thicker, spoonable smoothie.
  • Give it a boost – Blend in chia seeds, ground flaxseed, hemp hearts, oats, or Greek yogurt to make it more filling.

Quick recipe tips

  • Start with less milk and gradually add more to fine-tune the final texture.
  • Add a few ice cubes or use a frozen banana instead of fresh if you prefer a colder, more milkshake-like consistency.
  • Taste before serving and add a touch of maple syrup or a date if you like a sweeter smoothie.

Step-by-step instructions

  • Chocolate Peanut Butter Protein Smoothie
  • Blend: Add the banana, peanut butter, plant-based milk, protein powder, and cacao powder to a blender. Blend until smooth and creamy.
  • Adjust: Add more milk as needed to reach your desired consistency and blend again.
  • Serve: Pour into a glass and enjoy immediately.

Make ahead & storage

This Chocolate Peanut Butter Protein Smoothie is best right after blending, but you can always prep the ingredients in advance to make busy mornings a little easier.

Meal prep

  • Prep smoothie packs: Add the banana, peanut butter, protein powder, and cacao powder to a freezer-safe bag or container. Freeze until right before you’re ready to blend.
  • Blend when ready: Toss the smoothie pack into your blender, add your choice of plant-based milk, and blend until smooth and creamy.

Storing leftovers

  • Fridge: Store leftover smoothie in a sealed jar or airtight container in the refrigerator for up to 24 hours.
  • Blend again: The smoothie might separate or thicken as it sits. Shake it well or blend it again with a splash of milk before you start sipping.

Freezing

  • Freeze in portions: Pour the smoothie into an ice cube tray and freeze until solid. Transfer the cubes to a freezer-safe container and store for up to 2 months.
  • Blend before serving: Blend the frozen smoothie cubes with a splash of plant-based milk until smooth and creamy.

FAQ

For a thicker smoothie, use a frozen banana, start with less milk, or add a handful of ice right before blending!

Yes! Just make sure you use a plant-based milk and a vegan protein powder.

I like Vega Essential Protein, but pretty much any chocolate protein powder can be used, including both plant-based and whey. You may need to adjust the amount of milk depending on the brand, as some powders absorb more liquid than others.

Yes! You can make this smoothie up to 24 hours in advance and store it in an airtight container in the frdige. The texture may thicken slightly as it sits, so give it a good shake or stir and add a splash of milk if needed before serving.

Absolutely! I used pea milk for extra protein, but soy milk, almond milk, oat milk, coconut milk, or dairy milk (for a non-vegan version) would all work well in this recipe. Keep in mind that different types of milk may change the protein content, taste, and texture.

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Chocolate Peanut Butter Protein Smoothie
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Chocolate Peanut Butter Protein Smoothie

This Chocolate Peanut Butter Protein Smoothie is a quick and easy high-protein smoothie. Creamy, satisfying, and naturally sweetened, it's perfect for breakfast, a post-workout snack, or a healthy treat!
Course Breakfast, Snack
Cuisine American
Prep Time 5 minutes
Total Time 5 minutes
Servings 1 serving
Calories 590kcal

Ingredients

  • 1 medium banana
  • 2 tablespoons creamy peanut butter
  • 3/4 to 1 cup unsweetened plant-based milk (I used pea milk)
  • 1/3 cup chocolate protein powder (about 1-2 scoops, depending on the brand)
  • 1 tablespoon unsweetened cacao powder

Instructions

  • Add the banana, peanut butter, plant-based milk, protein powder, and cacao powder to a high-speed blender. Start with 3/4 cup of milk and blend until smooth and creamy.
  • If needed, add more milk a little at a time until the smoothie reaches your desired consistency.
  • Pour into a glass and serve immediately.

Nutrition

Calories: 590kcal | Carbohydrates: 57g | Protein: 40g | Fat: 24g | Fiber: 8g

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