Looking for a satisfying smoothie to kickstart your morning? This High-Protein Peanut Butter Banana Smoothie packs a whopping 37g of protein to help you hit your macros. With its silky smooth consistency and the classic peanut butter and banana combo, it’ll feel like a treat every time. Let’s dive in.

This thick and creamy peanut butter banana smoothie recipe tastes just like indulging in a peanut butter milkshake. Yet, it’s also good for you!

Related Article: 7 Delicious Low-Carb Smoothies


  • Peanut butterpeanut butter is an excellent source of protein and fat, both of which make this smoothie not only delicious but filling. When shopping for peanut butter, just make sure to buy the natural versions with no added oils or sugar.
  • Unsweetened vanilla almond milk – creamy unsweetened almond milk is an ideal keto-friendly base for a low-carb smoothie at only 1 gram of net carbs per cup. It’s also surprisingly low in calories at 40 calories per cup.
  • Cacao powder – antioxidant-rich cacao powder is made from grinding up cacao beans. Just a small amount of this powder will give your smoothie a deep cocoa flavor.
  • Peanut flour – mix this highly versatile, nutrient-dense flour into a smoothie recipe, soups, sauces, baked goods, pancakes, dips, cottage cheese, etc. It’s an ideal way to intensify the peanut flavor of your foods while adding just 1.5 grams of net carbs per tbsp. Be sure to check the label before you buy peanut flour as some versions contain added sugar.
  • Avocado – a nutrient-dense superfood that gives a creamy, silky texture to a smoothie, plus it’s packed with vitamins, minerals, fiber, and heart-healthy omega fats.
  • Bananas, known for their creamy texture in smoothies, are also a powerhouse of nutrients, including vitamins, minerals, fiber, and heart-healthy antioxidants.
  • Chia seeds – These tiny seeds are loaded with antioxidants, fiber, omega fats, vitamins, and minerals. Because there is a gram of fiber for every gram of carbohydrate, these seeds add virtually zero net carbs to your smoothie.
  • Liquid stevia – A little goes a long way describes this highly potent, zero-calorie natural sweetener. Start with just 5 drops and adjust according to your personal taste preference.
Peanut butter smoothie

Peanut Butter Smoothie Recipe

Yield: 1
Prep Time: 1 minute
Cook Time: 2 minutes
Total Time: 3 minutes

Gluten-free, low-carb, peanut butter smoothie recipe for your low-carb ketogenic diet. This smoothie recipe is nutritious, filling, and super easy to make.


  • 2 tbsp peanut butter
  • 1 cup almond milk
  • 1 tbsp cacao powder
  • 2 tbsp peanut butter
  • 1 tbsp chia seeds
  • 1 cup ice


  1. Blend until the mixture is smooth, typically around 30 seconds.
  2. Combine bananas, almond milk, peanut butter, honey, and ice cubes in a blender.
  3. Enjoy!
Nutrition Information:
Yield: 1 Serving Size: 1
Amount Per Serving: Calories: 673Total Fat: 43gSaturated Fat: 13gTrans Fat: 0gUnsaturated Fat: 25gCholesterol: 39mgSodium: 251mgCarbohydrates: 71gFiber: 15gSugar: 28gProtein: 23g

Final Take

Smoothies are an excellent way to deliver several superfoods into your body in one serving. This peanut butter smoothie recipe checks off all the boxes: keto-friendly, low-carb, high-fiber, nutrient-rich, filling, delicious, and easy to make. 

One of the concerns of a keto diet is the lack of fiber. Smoothies are a great way to help you meet your fiber needs. 

Here is a breakdown of the fiber content in the smoothie recipe above:

  • Peanut butter – 3 grams per 2 tbsp.
  • Cacao powder – 2 grams per tbsp.
  • Peanut flour – 2 grams per 2 tbsp.
  • Avocado – 2-3 grams fiber per 1/4 whole-pitted avocado
  • Chia seeds – 4 grams per tbsp.

Just one serving of this smoothie recipe provides 13 grams of fiber, about half of most women’s daily fiber needs and about a third of most men’s daily fiber needs.

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