The Ultimate Peanut Butter Banana Smoothie

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If you’re into smoothies that keep you full until lunchtime and don’t require a long list of ingredients or added protein powder, you’ll LOVE this peanut butter banana smoothie! 

It’s super delicious, filling, balanced, and comes together in 5 minutes with 4 simple ingredients! Keep it simple, or add optional spinach, flax, or hemp seeds for a nutrient boost. Let’s do this!

How to Make a Peanut Butter Banana Smoothie

Get ready, because we’re about to show you how 4 simple ingredients (!) combine to make a delicious, filling, nutrient-packed smoothie! All that’s required is frozen banana, rolled oats, peanut butter, and your milk of choice (we like almond).

Frozen banana provides a creamy, naturally sweet base and makes this smoothie thick and chilled without diluting the flavors with ice. When it comes to nutrition, bananas are potassium and vitamin B6 powerhouses and also supply vitamin C, fiber, biotin, and more.

Rolled oats provide plenty of fiber and whole grain goodness, including phosphorous, magnesium, zinc, and even a little protein. Plus, they help thicken it even more for the ideal smoothie texture!

Peanut butter adds a delicious peanut flavor plus protein! P.S. Did you know peanuts outcompete other types of nuts and even rival beans when it comes to protein content (source)? We’re into it.

The final essential ingredient in this smoothie is (dairy-free) milk! It provides the liquid to get this thing blendin’!

If you’re looking to step up the nutrition even more (and make your smoothie a beautiful green color), throw in a handful of spinach! You won’t even taste it. Pinky promise.

Flax meal or hemp seeds are optional for an omega-3 and fiber boost. And if you prefer more sweetness, then honey, maple syrup, or dates will do that for you. Cinnamon also adds sweetness in its own subtle way!

We hope you LOVE this smoothie! It’s:

Creamy
Naturally sweet
Nutty
Satisfying
Protein-packed (12-16 grams per serving)
& Perfect for on the go!

We love it as a quick, protein-packed breakfast or snack! And since it relies on pantry and freezer staples, it’s perfect for those times when the refrigerator is looking empty.

More Smoothie Recipes

If you try this recipe, let us know! Leave a comment, rate it, and don’t forget to tag a photo @minimalistbaker on Instagram. Cheers, friends!

The Ultimate Peanut Butter Banana Smoothie

A creamy, versatile peanut butter banana smoothie made with oats! The perfect satisfying breakfast or snack, with just 5 minutes and 4 ingredients required!
Author Minimalist Baker
Print
5 from 13 votes
Prep Time 5minutes
Total Time 5minutes
Servings 1(Smoothie)
Course Beverage, Breakfast
Cuisine Gluten-Free, Vegan
Freezer Friendly 1 Month (in ice cube trays)
Does it keep? Best when fresh

Ingredients

SMOOTHIE

  • 1cupfrozen ripe banana slices(1 medium banana yields ~1 cup slices)
  • 1/3cuprolled oats(gluten-free certified as needed)
  • 3/4 – 1cupunsweetened almond milk(or other dairy-free milk)
  • 2-3Tbsppeanut butter(find our favorite brands here)

ADD-INS optional

  • 1handfulbaby spinach
  • 1Tbspflaxseed meal or hemp seeds(for added nutrition)
  • 1-2tsphoney or maple syrup(or a pitted medjool date)
  • 1/4tspground cinnamon

Instructions

  • Place all ingredients in a blender and blend until smooth and creamy, adding more almond milk to thin, banana or oats to thicken, or peanut butter for richness and peanut flavor.
  • Serve immediately or freeze in an ice cube tray then reblend (adding dairy-free milk as needed) to enjoy later. Texture/flavor is best when fresh.

Video

Notes

*Nutrition information is a rough estimate calculated with the lesser amounts of almond milk and peanut butter and without optional ingredients.

Nutrition (1 of 1 servings)

Serving: 1smoothieCalories: 426Carbohydrates: 54.6gProtein: 12.7gFat: 20.4gSaturated Fat: 3.9gPolyunsaturated Fat: 5.1gMonounsaturated Fat: 9.9gTrans Fat: 0gCholesterol: 0mgSodium: 138mgPotassium: 819mgFiber: 7.7gSugar: 19.5gVitamin A: 75IUVitamin C: 10.3mgCalcium: 367mgIron: 2.5mg

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Reader Interactions

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  1. Sarasays

    SO GOOD MAKE IMMEDIATELY! but really. I made the recipe exactly as written, with 1 cup almond milk and added 1 tbsp hemp seeds. I love how creamy this tastes with the blitzed up oats. Thank you!

    Reply
    • Support @ Minimalist Bakersays

      Whoop! We’re so glad you enjoy it, Sara! Thank you for sharing! xo

      Reply
  2. kungaa josephsays

    I love your recipes; I am on a constant diet to monitor both my sugar and salt intake. Every other day I make a shake with a soy powder. But this makes me feel so much better. Having all the ingredients and knowing what is going into my body. I can not thank you enough for all that you are doing. It has helped me lower my Blood pressure and my sugar.

    Reply
  3. Bevsays

    Craving something thick,creamy and sweet? This recipe is sure to satisfy! I added spinach, flaxseed,hemp seed and a handful of pea sprouts. With all the additions, I had to add some water and ice to get it to my desired consistency. Will definitely add this to my smoothie rotation.

    Reply
  4. Jeanenesays

    Delicious! And very easy. I added cinnamon, which I think really adds flavor. I love this recipe and will make it again and again.

    Reply
    • Support @ Minimalist Bakersays

      Yay! We’re so glad to hear it, Jeanene! Thank you for sharing! xo

      Reply
  5. Kennie Turnersays

    WOW! This is soooo good. We have this for breakfast after our morning workout.

    Reply
  6. Deepti @ aromaandessence.comsays

    I love banana smoothies. My son loves them too and I add some raw cocoa powder in them for him. And sometimes when I don’t have nut butter, I just add raw nuts such as almonds, or cashews. Tastes just as delicious :)

    Reply
  7. RunningPathsays

    I’ve made smoothies or faux soft serve ice cream from frozen bananas for many years but somehow never thought to use oats. I made this recipe as written (with maple syrup and flax meal, plus salt because my PB is unsalted) and it was the perfect post-run smoothie for me this morning. Very quick to throw together and delicious. My 14-year-olds both loved it too and think it would make a good after school snack (maybe split between them). I definitely recommend adding salt if your PB doesn’t have (especially if consuming post workout).

    Reply
    • Support @ Minimalist Bakersays

      Love it! Thanks so much for the lovely review and for sharing your modifications!

      Reply
  8. Sabrinasays

    I made this smoothie as written but with a date, cinnamon and chia seeds. It is really good and creamy!

    Reply
    • Support @ Minimalist Bakersays

      Your additions sound delicious! Thank you for sharing, Sabrina! xo

      Reply
  9. Amandasays

    This was sooo tasty! I’ve made it twice now, once with peanut butter and once with peanut butter powder and hempseeds, both tasted very similar and were great. My 10 year old asks for this every morning! (But I make him rotate through veggie smoothies in between, ha!)
    Thanks for sharing! All of your recipes are so good and I always know they are full of REAL ingredients.

    Reply
    • Support @ Minimalist Bakersays

      Love it! Thanks so much for the great review, Amanda! So glad you both enjoyed!

      Reply
  10. Leahsays

    The addition of the oats is brilliant. Smoothies often leave me feeling hungry way before lunch. But this one, made with all of the add ins, keeps me going. It’s also delicious! Thanks Dana!

    Reply
    • Support @ Minimalist Bakersays

      Woohoo! So glad you enjoyed this, Leah. Thanks so much for the great review!

      Reply
  11. Laurasays

    This is a “full ’til lunch” breakfast smoothie. I was shocked how it kept me going at work all morning. Subbed PB for almond butter. Added 1 date and liked the sweetness. No honey or maple syrup.

    Reply
    • Support @ Minimalist Bakersays

      Yay! We’re so glad you enjoyed it, Laura! Thank you for sharing your experience! xo

      Reply
    • Support @ Minimalist Bakersays

      Hi Pat, PB2 has a lower fat, protein, and calorie content. It has added sugar and salt, so those would increase since we calculated with natural peanut butter (no ingredients besides peanuts).

      Reply
      • Megan Bowessays

        Hi! I’ve been enjoying your recipes! Thank you! For those with a food intolerance to bananas, I’m wondering if you (or your readers) have any substitution ideas.

        Reply
        • Support @ Minimalist Bakersays

          Hi Megan, we find mango to be a good substitute for bananas in smoothies because it’s both sweet and creamy, but not sure it would pair well with peanut butter. We’d suggest checking out our other smoothie recipes here.

          Reply
  12. Willsays

    Great smoothie that does keep you feeling full until lunch. We add Cacao nibs (naturya) that add a chocolatey bitterness and texture.

    Reply
    • Support @ Minimalist Bakersays

      Love that addition, Will! We’re so glad you enjoyed the smoothie. Thank you for sharing! xo

      Reply
  13. Jensays

    This looks absolutely divine but it contains ALL the fat I eat in an entire day. Couldn’t you use the PB2 powder to cut down the fat consumption. 40G of fat in one drink/meal is a ton!

    Reply
    • Support @ Minimalist Bakersays

      Hi Jen, that should work, it just won’t be as rich. Let us know if you try it!

      Reply
      • Jensays

        Thanks! And I was wrong, it’s only half my fat for the day, 20g with the real stuff. 😆 I’ll try it with the powder.

        Reply
  14. Rhondasays

    Thank you for this delicious and easy shake recipe! I love that it’s inexpensive, thick and creamy, and uses ingredients I always have on hand. I added a teaspoon of chia seeds and a dollop of honey and will make this again and again :=)

    Reply
    • Support @ Minimalist Bakersays

      Yay! We’re so glad you enjoyed it, Rhonda! Thank you for the lovely review! xo

      Reply
  15. Bethsays

    This really DID come together in 5 minutes (or possibly even less) and was delicious and refreshing. My 8 year old loved it too and stole her little brother’s helping. Will definitely make this again.

    Reply
    • Support @ Minimalist Bakersays

      Whoop! We’re so glad it was a hit in your family! Thank you for sharing, Beth! xo

      Reply
  16. Paigesays

    Absolutely love a peanut butter banana smoothie! I usually add a grind of Himalayan pink salt and a small splash of vanilla extract to really give it that extra punch of flavour. So delicious!

    Reply
      • Tom Alekssonsays

        This is my favorite recipe, it’s simply delicious! A gold standard for a powerful breakfast. In my case I add oats with milk and keep it in the fridge overnight, while in the morning I add honey, raw cocoa and chia seeds before blending.

        Reply