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This chocolate peanut butter protein smoothie is nutrient-dense, filling, and as smooth and creamy as a milkshake. Blend up frozen bananas, peanut butter, chocolate protein powder and milk until it’s thick and creamy.

Love smoothies? Try this cake batter protein shake or raspberry blueberry smoothie next.

two chocolate peanut butter protein smoothies on a countertop.
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You can make this protein shake easily in the blender and it’s cheaper than what you’ll find at a smoothie bar.

It’s a great source of protein, healthy fats, and fiber. It’s my favorite morning combination to keep you full, which is why I also love blended overnight oats and cottage cheese breakfast bowls.

Blend a handful of healthy ingredients together in just five minutes for a nutritional boost before a workout, a quick breakfast on the go, or a stand-alone meal any time of day.  

Just like baked protein pancake bowls and cottage cheese egg bites, you can prep them in advance for a fast and healthy breakfast.

Why You’ll Love This Chocolate Peanut Butter Protein Smoothie

  • Tastes like dessert for breakfast.
  • Takes 5 minutes to whip up.
  • Can easily be meal-prepped in single servings.
  • Has lots of protein, healthy fats, and fiber.
  • Rich and creamy texture.

If you love a protein boost with chocolate peanut butter flavor, try protein puppy chow, oatmeal peanut butter protein balls, or dark chocolate coconut protein bars next time.

Ingredients You Need

Here are the simple ingredients you need to make this chocolate peanut butter protein smoothie. Skip to the recipe card for exact measurements.

ingredients for a chocolate peanut butter smoothie on a countertop.
  • Milk: Any milk like whole milk, almond milk, or cashew milk works.
  • Banana: Freezing the banana adds an extra thick and creamy texture to this smoothie.
  • Chocolate protein powder: A good protein powder I like to use is Be Well By Kelly which has vegan and grass-fed beef protein powders made with organic monk fruit.
  • Peanut butter: Smooth, creamy peanut butter adds texture, flavor, and good fats.
  • Chia seeds: Just 2 tablespoons of chia seeds have 4.7 grams of protein and 9.8 grams of fiber!

Need another protein-rich smoothie recipe? Try this blueberry raspberry smoothie or cake batter protein shake.

Recipe Variations and Mix-Ins

  • Substitute the peanut butter with almond butter or cashew butter.
  • Add another healthy mix-in like chia seeds, collagen, or hemp hearts.
  • Add a splash of coffee in place of some of the milk for a little extra flavor (and caffeine!).
  • Because this smoothie is low-calorie, there’s plenty of room for adding extra toppings like mini chocolate chips, homemade coconut whipped cream, or a cherry.

How to Make Chocolate Peanut Butter Protein Smoothies

Here are the simple steps, with photos, to make this chocolate peanut butter protein smoothie recipe. Skip to the recipe card for the printable version.

chocolate protein powder, milk, frozen bananas, and peanut butter in a blender.

Step 1. Add to Blender. Add all of the ingredients to a high-speed blender.

peanut butter chocolate protein smoothie in a blender.

Step 2. Blend. Close the lid and blend on high-speed until thick and smooth. Add a splash more milk at a time to reach your desired consistency if you prefer less thick smoothies.

Expert Tips

  • Start with less milk. You can always add more, but you can’t remove it. Start with less and add a splash more at a time to reach your desired consistency.
  • Get creative. Add your favorite mix-ins like spinach, avocado, collagen, or other supplements.
  • Use frozen bananas. They give it a really rich and creamy milkshake texture. Regular bananas with ice will work in a pinch.

Recipe FAQs

Can I use powdered peanut butter in place of real peanut butter?

You can use powdered peanut butter, but just know that the texture will not be as thick as with regular peanut butter. Start with one serving and see if you need to adjust for taste.

How do I thicken my smoothie?

Start with frozen fruit and less milk. After that, I would add ice to make the smoothie thicker. Frozen avocado or cauliflower can also help to add thickness without adjusting the flavor much.

Can I use other fruit besides bananas?

Yes, you can! I love the flavor combo of banana with peanut butter and chocolate, but you could substitute with any other fruit. Frozen fruit will work best for a creamy, thick texture.

Storage Tips

Measure out individual bags of banana, peanut butter, and chia seeds. Freeze for up to 3 months. Dump it all into the blender then add the milk and protein powder and blend.

chocolate peanut butter smoothie with protein and topped with peanut butter.

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Chocolate Peanut Butter Protein Smoothie

Prep: 5 minutes
Cook: 0 minutes
Total: 5 minutes
Mix up your favorite chocolate protein powder, frozen banana, peanut butter, and milk for a rich and creamy smoothie that tastes like a chocolate milkshake! This smoothie is full of nutrients, protein, fiber, and healthy fats to keep you full.

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Servings: 1 smoothie

Ingredients

  • 1/2 cup milk any kind (I like Fairlife)
  • 1 frozen banana
  • 1 scoop chocolate protein powder I use Be Well by Kelly
  • 1-2 Tablespoons peanut butter
  • 1 Tablespoons flax meal or chia seeds

Instructions 

  • Add all of the ingredients to a high-speed blender. Blend on high until smooth. Add a splash more milk at a time to reach a thinner consistency if desired. Serve right away.
    1/2 cup milk, 1 frozen banana, 1 scoop chocolate protein powder, 1-2 Tablespoons peanut butter, 1 Tablespoons flax meal
Last step! If you make this, please leave a review letting us know how it was!

Notes

Protein Powder. You can use whatever protein powder you have on hand and add 1 Tablespoon of cocoa powder. I’ve made this with collagen and vanilla protein powder before!
Meal Prep. Measure out individual bags of banana, peanut butter, and chia seeds. Freeze for up to 3 months. Dump it all into the blender then add the milk and protein powder and blend.
Peanut Butter. Sub the peanut butter with almond butter, cashew butter or tahini for a nut-free option.
More Mix-Ins. Try adding chia seeds, collagen, hemp hearts, or your favorite supplements.
Coffee. Swap some of the milk for brewed cold brew coffee for a morning pick-me-up.

Nutrition

Serving: 1smoothie

Nutrition information is automatically calculated, so should only be used as an approximation.

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