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Peanut Butter Banana Smoothie

This ultra thick and creamy peanut butter banana smoothie recipe tastes like drinking a milkshake… and it’s good for you at the same time! 

A peanut butter banana smoothie for a healthy breakfast

I know some people swear by cold cereal for breakfast. But whenever I eat a bowl of cereal, I always seem to be hungry again less than an hour later.

Does this happen to you as well?

However, I do like the convenience of cold cereal. Sure, it would be nice to eat homemade pancakes or waffles or this Healthy Banana Bread every single day for breakfast, but who has time for that?

Especially on Mondays, I want something that doesn’t take all morning to prepare, can be made with just a few ingredients, and will hold me over until lunch.

Enter this easy banana smoothie recipe.

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Easy Peanut Butter Smoothie

In 5 minutes or less, you have a balanced and filling breakfast with:

Two servings of fruit

Calcium, potassium, and fiber

And 12 grams of protein… even if you don’t add any yogurt or protein powder!

This best peanut butter banana smoothie is also easy to take on the go, which means you get to set your alarm clock that much later in the morning .Winking smile

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(Above – watch the video of how to make a peanut butter banana smoothie)

For an even thicker smoothie–almost more like a peanut butter and banana milkshake than a smoothie–be sure to include the optional 1/3 cup oats.

This will also up the fiber and protein, helping to fill you up until lunch.

The recipe can be suitable for numerous special diets as well, including vegan, gluten free, soy free, refined sugar free, paleo, high fiber, low cholesterol, low calorie, and high protein.

Feel free to substitute almond butter, cashew butter, pecan butter, even or sunflower butter if you have allergies or simply want to switch up the flavor.

You can use whatever milk you wish – almond milk, soy milk, oat milk, rice milk, coconut milk, etc.

And of course you absolutely can add cocoa powder if you want to make it a chocolate peanut butter banana smoothie!

Also try this Strawberry Smoothie or the surprisingly good Avocado Smoothie

The Best 4 Ingredient Peanut Butter Banana Smoothie Recipe

Leftover banana? Make these Banana Muffins!

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Peanut Butter Banana Smoothie

This creamy peanut butter banana smoothie recipe tastes like drinking a milkshake, yet it's healthy at the same time!
4.85/5 (53)
Total Time 5 minutes
Yield 2 servings


  • 2 overripe frozen large bananas
  • 4-6 tbsp peanut butter or pb2, or allergy-friendly sub
  • 1 1/2 to 2 cups milk of choice, depending on desired thickness
  • scant 1/8 tsp salt
  • optional 1/3 cup quick oats or rolled oats
  • sweetener of choice, to taste
  • optional scoop protein powder


  • *If you want an even thicker shake, feel free to add an extra banana. The bananas should be at least partially brown before peeling and freezing.
    To make the peanut butter banana smoothie recipe, blend the oats until a fine powder forms, then add all remaining ingredients and blend until smooth. Drink immediately, or store in a covered container in the refrigerator if you’d prefer to make the smoothie the night before.
    View Nutrition Facts


This peanut butter smoothie makes a really great breakfast along with a batch of homemade peanut butter Protein Bars.

Have you made this recipe?

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More About The Cookbook

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Banana Oatmeal, my new favorite breakfast. Just a few basic ingredients, and it's super healthy and easy to make.

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4.85/5 (53)

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Published on April 27, 2017

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  1. Char says

    I’m a nurse, and I love the convenience of a smoothie for breakfast. My stomach isn’t awake enough to have food that early in the morning, but I can suck down a smoothie on the way to work. It gets me through until things calm down in mid morning, and I can have a snack. My method is to have small meals throughout the day instead of trying to sustain my energy until my blood sugar drops too low.
    I like frozen bananas and pb powder and Greek yogurt. I love the addition of oatmeal. Great idea!

  2. Stuart says

    I’m going to try this recipe and include icecream.
    I’m tempted to add a raw egg for more protein and to make the smoothie more filling.
    Can anybody tell me if it is safe to eat raw eggs now?
    Im not pregnant and have no allergies.

  3. Sarah says

    This was delicious, although I didn’t read that it was 2 servings so I totally just downed 718 calories in one sitting! Hahaha whoops! I’m totally fine with that since I’m pregnant and have had hyperemesis and lost 20lbs so far. I’ve been looking for a way to get more protein in since my unborn child decided I needed to be a vegetarian and some days vegan. Pretty much the only animal product I can stomach is milk, anything else from an animal makes me nauseous to even look at.

    Unfortunately the protein shakes I drank before my pregnancy contain some ingredients that can change my hormone balance along with other natural products that haven’t been tested on the affect on an unborn child. As I looked at other protein powders more question came when it came the the amount of heavy metals they contained such as mercury!! Ahhhhh scary stuff…

    I came along this recipe and just tried it out today! The bananas sweetened it just perfectly (no need for additional sweetener for me!)

    I used:

    2 frozen bananas
    1/3 cup rolled oat milk (gluten free organic)
    6 TBS PB2
    1 cup 2% milk
    1 cup fat free milk
    Pinch of salt

    Next time I’ll just cut the recipe on half, although it was great getting in almost 40 grams of protein in one sitting! With having Hyperemesis the past 2.5 mo the I’ve been lucky to get in 20-30 grams of protein ALL day! Now that I’m feeling better I’m searching more plant based protein sources which I think has helped with my nausea and helping me on the road to recovery from HG! This shake will be a life saver for me! Thank you for sharing!

  4. Alene says

    I haven’t read all the comments, so I apologize if someone already wrote this. I have to be gluten free so I have some oat flour in my pantry and I used it instead of oatmeal ground finely. It worked perfectly! I adore peanut butter as well as bananas, so you pushed all my buttons! This was delicious, with 2 medium sized frozen bananas, 3 tablespoons of oat flour, 3 tablespoons of peanut butter, and 1.5 cups of skim milk. I’m in heaven! Thank you!

  5. MAUREEN says

    Peanut butter and banana protein smoothies are my favorite. I found that if I added 1/4 cup of oatmeal to my smoothie, it really helped keep me satisfied until lunchtime. As a time saver, I also made up little snack bags with my pre-measured protein, oatmeal, 1 tbsp chia seeds, 1 tbsp flax meal, a couple dashes of cinnamon and a few bags have some cocoa powder for a taste of chocolate. I then only have to add my frozen banana to my 1 1/2 cups of almond milk and my bag of mix.

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