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As revved up and accomplished as I feel after drinking a filling breakfast smoothie, it’s not necessarily what I wake up craving, especially during the cooler months when I’m walking around my house wrapped in a blanket. This vegan Oatmeal Smoothie is an exception. Made with easy ingredients like bananas, peanut butter, and cinnamon, its cozy flavor and creamy texture trigger sensations of comfort, all while fueling my body for a healthy day ahead.

Oatmeal smoothie with banana, peanut butter, and almond milk in a glass

If you’re looking to make breakfast smoothies for weight loss, add extra servings of fruits and veggies to your diet, need a balanced smoothie for post-workout recovery, or just want a yummy, filling way to nourish your body, this banana oatmeal smoothie recipe is one you’ll want to sip over and over again.

If you’re new to the smoothie game, it’s also a delicious, approachable place to start.

Personally, I love green smoothies (especially this Kale Pineapple Smoothie and this Apple Avocado Smoothie), but I recognize that those who are newer to the smoothie game might want to tiptoe their way in a bit (this Apple Smoothie is another great place to start).

A creamy oatmeal smoothie also feels like a cheerier and a more gentle smoothie than something super dark and seriously green.

With its sweet banana base, warm oats and cinnamon, and the decadent taste of peanut butter, this smoothie tastes like an oatmeal cookie.

I might not be able to eat actual cookies for breakfast forever, BUT I can have a hearty breakfast smoothie that tastes like one any morning!

A delicious, creamy breakfast drink made with healthy ingredients

About This Oatmeal Smoothie Recipe

The Ingredients

The ingredients you will need to make this quick and healthy breakfast smoothie are:

  • Oatmeal. A seriously underrated smoothie ingredient! Oatmeal is rich in fiber, and it makes smoothies satisfyingly thick and ultra filling. This oatmeal smoothie will keep you full all morning, and the oatmeal is a big part of that.

Because the oatmeal is ground in the blender, you can use any kind of oats you have on hand. I most often use rolled oats, but quick oats work too.

If you are making an instant oatmeal smoothie (using instant oatmeal packets), make sure the packet isn’t sweetened or flavored.

Three other favorite breakfast smoothies with oats: Blueberry Banana Smoothie (this one tastes like blueberry pie!), Strawberry Kiwi Smoothie, and Blueberry Cream Oatmeal Smoothie. You can also add a few tablespoons of oatmeal to any one of these Healthy Breakfast Smoothies.

  • Frozen Banana. The next time you have spotty bananas on your counter, peel and cut them into pieces, then freeze them in a ziptop bag. They make any smoothie thick, naturally sweet, and creamy.

Tip!

If you are in a hurry to freeze your bananas, you can cut the slices thinly and spread them in a single layer on a parchment-lined plate or baking sheet. Pop them in to your freezer, and they’ll harden within a half hour.

If you don’t have any frozen bananas, you can use fresh banana. Your smoothie will be more liquidy, so pop in a few ice cubes at the end to thicken it up.

  • Peanut Butter. The healthy fat and protein in peanut butter are a big part of what makes this oatmeal smoothie so filling. It’s just the touch of richness the smoothie recipe needs to taste satisfying and not like something you’re stuck eating.

Any kind of creamy peanut butter will work here (shelf stable or drippy), so feel free to use your favorite. You can use crunchy peanut butter also, though I prefer the smoothness of creamy.

  • Maple Syrup. I’m a sucker for the flavor of maple and oatmeal together. A half tablespoon was plenty for me, but feel free to adjust to your taste.

Maple syrup makes this oatmeal smoothie vegan, but you can swap honey if that isn’t a concern.

  • Almond Milk. Unsweetened plain or unsweetened vanilla almond milk is my fave for smoothies. If you can’t tell, I’m a wee bit compulsive about my smoothies being creamy, and since almond milk is creamy on its own, it adds to the effect.

Substitution Tip!

Feel free to use any milk in this smoothie you like. The oatmeal smoothie is quite thick as the recipe is written, so if you prefer a thinner texture or your blender is struggling, splash in a little extra.

  • Cinnamon + Pure Vanilla Extract. Solidifies the oatmeal cookie flavor factor.
Easy oatmeal smoothie in a glass with banana, peanut butter, and cinnamon

The Directions

  1. Add the oats to the blender.
    Ground oats in a blender
  2. Pulse until fairly finely ground.
    oatmeal, bananas, and peanut butter in a blender for a smoothie
  3. Add the remaining smoothie ingredients, and blend until smooth. That’s it. ENJOY!

Optional Oatmeal Smoothie Recipe Additions

The beauty of smoothies is their flexibility. Stock up on a few essentials or survey what you already have, then use them to blend up healthy breakfast smoothies on demand!

  • Strawberry Oatmeal Smoothie. Replace half of the banana with frozen strawberries. If you’d like it to be a peanut butter oatmeal smoothie no bananas, you can replace the bananas with strawberries entirely.
  • Extra Protein Oatmeal Smoothie. Add a scoop of your favorite vanilla or chocolate protein powder.
  • Green Oatmeal Smoothie. Ready to embrace the green? Add a handful or two of spinach. It will change the color, but the taste is imperceptible. If you are looking to slide a green oatmeal smoothie past picky eaters and hiding the green is important, consider adding oatmeal to a darker, berry-colored smoothie like this Blueberry Avocado Banana Smoothie, or add a few handfuls of blueberries or raspberries to this recipe.

Other Favorite Smoothie Recipes

A glass filled with a filling, healthy breakfast drink

Happy oatmeal smoothie sipping!

Oatmeal Smoothie

4.90 From 265 reviews . Help us out! Review HERE.Help out & review HERE

Prep: 5 minutes
Total: 5 minutes

Servings: 1 smoothie
Creamy Oatmeal Smoothie with peanut butter and banana. With fiber, protein, and healthy fats, this vegan breakfast smoothie is filling and delicious!

Ingredients
  

  • ¼ cup old-fashioned oats or quick oats
  • 1 banana chopped into chunks and frozen
  • ½ cup unsweetened almond milk
  • 1 tablespoon creamy peanut butter
  • ½ tablespoon pure maple syrup plus additional to taste
  • ½ teaspoon pure vanilla extract
  • ½ teaspoon ground cinnamon
  • teaspoon kosher salt don’t skip this, as it makes the oatmeal pop!
  • Ice optional, add at the end if you want a thicker smoothie

Instructions
 

  • Place the oats in the bottom of a blender and pulse a few times until finely ground.
  • Add the banana, milk, peanut butter, maple syrup, vanilla, cinnamon, and salt.
  • Blend until smooth and creamy, stopping to scrape down the blender as needed.
  • Taste and add additional sweetener if you’d like a sweeter smoothie. Enjoy immediately.

Video

Notes

  • This smoothie tastes best the day it is made, but can be refrigerated for up to 1 day.
  • For fast prep, pre-portion the oats, banana, and spices in a ziptop bag and freeze until needed. Add with the remaining ingredients to a blender and enjoy!

Nutrition

Serving: 1smoothieCalories: 327kcalCarbohydrates: 54gProtein: 8gFat: 11gSaturated Fat: 2gFiber: 7gSugar: 24g

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Erin Clarke

Hi, I'm Erin Clarke, and I'm fearlessly dedicated to making healthy food that's affordable, easy-to-make, and best of all DELISH. I'm the author and recipe developer here at wellplated.com and of The Well Plated Cookbook. I adore both sweets and veggies, and I am on a mission to save you time and dishes. WELCOME!

Learn more about Erin

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  1. This is the most delicious smoothie I have ever had. I actually don’t even freeze the bananas, I just use them at room temp and it’s still great. I also substitute the maple syrup with honey because that’s just what I’ve had on hand. I do look forward to trying it with the maple syrup though!5 stars

    1. Hi Yvette! All of my smoothies are banana based but I also make some of them with avocado, so you can definitely put avocados in a smoothie. You could try swapping the banana for frozen strawberry, you could swap in a few pitted dates or use ice cubes. Hope this helps!

  2. Amazing! Made with frozen raspberries instead of bananas and it was delicious! I can’t wait to try with banana next time.5 stars

  3. My toddler and I LOVE this smoothie. We also like to add in some frozen blueberries and spinach if we have any. Yum! Thank you so much!5 stars

  4. Absolutely delicious! Great way to use up old bananas. Didn’t need the maple syrup as it was sweet enough.5 stars

  5. Super yummy! I did slightly modify it. I used soy milk because that is what I had on hand, added 1 tbsp of chia for the omega 3s, replaced the maple syrup with 1 medjool date and used pure ground vanilla bean powder vs extract. It was super tasty and hit the spot! I could have drank triple the amount easily. 😆5 stars

    1. Thank you Rose, I’m truly sorry for any inconvenience the ads caused you. I will certainly keep paying close attention to the number of ads and how they load, as I never want them to hinder your ability to view the recipe or the blog post. I do truly appreciate your feedback and apologize again for the inconvenience! Also, there is a quick and convenient “jump to recipe” button that will help you get to the recipe faster and a print button to have the recipe quickly at your fingertips. Hope this helps!

  6. I absolutely love this smoothie! It’s my go-to for something that’s both healthy and delicious. Plus, it’s so quick and easy to make. Thanks for sharing, Erin—I’m excited to try out more of your recipes!

  7. I just made this recipe this morning and I forgot to add the peanut butter and it still tastes amazing. I enjoyed it.5 stars

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