Peanut Butter Oatmeal Smoothie

Thick and creamy Peanut Butter Oatmeal Smoothie loaded with creamy peanut butter, old fashioned oats, bananas and vanilla soy milk.

Peanut Butter Oatmeal Smoothie

Peanut Butter Oatmeal Smoothie

Smoothies that are healthy AND taste good are the best! One’s that require a spoon instead of a straw are even better. This smoothie is loaded with creamy peanut butter, old fashioned oats, and soy milk. This smoothie tastes like dessert in a glass.

This recipe makes just enough for one serving. It is the perfect portion size for a snack, breakfast, or midday meal.

With only a few simple ingredients this smoothie comes together quickly. It can be made in under 5 minutes! Perfect for hectic mornings when you are running out the door.


  • Oats: Rolled oats and old fashioned oats work best in this smoothie. I would not suggest using steel cut oats in this recipe.
  • Creamy peanut butter: You can use natural nut butter in place of the peanut butter if you prefer.
  • Banana: I like using frozen bananas in this smoothie. It keeps the smoothie extra thick. If you do not like banana I would suggest substituting the banana with greek yogurt.
  • Soy milk: Almond milk, cashew milk or regular milk can be substituted.

Peanut Butter Smoothie Recipe

This Peanut Butter Oatmeal Smoothie is loaded with protein thanks to the creamy peanut butter and banana. One serving of this smoothie pack 14.7 grams of protein and 4.7 grams of fiber.

Here’s where all the protein is coming from

  • 1/2 cup of Soy Milk -> 4 grams of protein
  • 2 tablespoons Peanut Butter -> 8.0 grams
  • 1 whole Banana -> 1.2 grams
  • 1/4 cup Old Fashioned Oats  -> 2.7 grams

How to make a Peanut Butter Oatmeal Smoothie

To make the smoothie simply add all of the ingredients to a blender, blend for 30 seconds and stir. Blend for another 30 seconds to 60 seconds. Pour into a glass and garnish with banana slices and oats if desired. Serve immediately or place in the refrigerator until ready to eat. Double or triple the recipe to have extra on hand for the week.

If you have frozen bananas on hand you can always use them instead of fresh. It is a great way to use up leftover bananas!

Peanut Butter Banana and Oatmeal Smoothie

Here are more delicious breakfast recipes to enjoy!

Peanut Butter Oatmeal Smoothie

4.77 from 17 votes
Prep Time: 5 minutes
Total Time: 5 minutes
Servings: 1
Thick and creamy Peanut Butter Oatmeal Smoothie loaded with creamy peanut butter, old fashioned oats, bananas and vanilla soy milk.


  • 1/4 cup old fashioned oats
  • 2 tablespoons creamy peanut butter
  • 1 whole banana
  • 1/2 cup soy milk


  1. Add all of the ingredients to a blender.
  2. Blend for 30 seconds and stir.
  3. Blend for another 30 seconds to 60 seconds.
  4. Pour into a glass and garnish with banana slices and oats if desired.
  5. Serve immediately or place in the refrigerator until ready to eat.
Nutrition Facts
Peanut Butter Oatmeal Smoothie
Amount Per Serving
Calories 423.03 Calories from Fat 182
% Daily Value*
Fat 20.18g31%
Saturated Fat 3.95g25%
Sodium 208.28mg9%
Potassium 869.81mg25%
Carbohydrates 50.99g17%
Fiber 7.51g31%
Sugar 20.57g23%
Protein 15.45g31%
Vitamin A 539.26IU11%
Vitamin C 18.77mg23%
Calcium 189.49mg19%
Iron 2.35mg13%
* Percent Daily Values are based on a 2000 calorie diet.
Course: Breakfast
Cuisine: American
Keyword: Easy Breakfast, Healthy, Peanut Butter Oatmeal Smoothie, smoothies and shakes

Leave a Comment

Comments - page 1/2

  • savvy2013

    Thanks for the 1 stop, 1 jar recipe- perfect!! I’m convinced- and a new follower! Anxious to see what’s ahead!!

  • Michael S

    Delicious and just the right amount for a single serving. Tastes like banana bread to me. I used a frozen ripe banana. Great recipe!

  • Megan

    Do you know anything that can be used instead of banana in it? I’m allergic

    • Hi Megan,

      You can always omit the banana the smoothie should still be pretty thick without it thanks to the oats. However you can always add some flax seed to bulk up the smoothie or canned pumpkin, frozen fruit, or even avocado.

      Hope these suggestions help! Thanks!


      • Pat L

        I don’t eat bananas either. Although, I wish I could simply because of the convenience. But they make me gag! I have a smoothie for breakfast 5 days per week. Through trial and error, I’ve discovered PEAR to be a good substitute for bananas. I plan on making this Smoothie on Monday morning. Really looking forward to it! Thanks!!!

  • I made a variation of this for breakfast today – I used almond milk and added half a scoop of chocolate plant based protein powder! So good and definitely one of the best PB smoothies I’ve had. Next time I’ll probably double everything, keep the PB amount the same because it didn’t make very much and I was totally craving more when I was finished drinking it. Great recipe, Kelley! 🙂

  • Steph

    Hi! This is a silly question but i’m genuinely not sure… Are you supposed to cook the oats first?

    • Hi Steph,

      Thanks for the question. No the oats do not get cooked before adding them in.



  • Mike

    Can you use single serve packets of “instant oatmeal” instead of old fashioned oats.

    • Hi Mike,

      I personally prefer the old fashioned oats in the smoothie. Regular oats can be substituted. I’ve actually never tried the instant oatmeal in this. It should thicken the smoothie up and give it texture so it should work. I just wouldn’t choose one with lots of flavor in it already (maybe plain or cinnamon and sugar). Hope this helps!

      Thank you,


  • canali

    tip to cut down on the calories and add more thickness:
    use cashew milk…and add a touch of cinnamon.
    …and instead of peanut butter (225 cal per 2 tbsp)
    use either one tbsp and/or 2 tbsp of powdered peanut butter
    (only 45 cal and same lovely peanut taste with protein)

    • Jill

      You are calculating the calorie content of peanut butter too high. it is usually about 90 calories a TBPS. However, if someone wanted to reduce the calorie content, the could use less or powdered peanut butter as 2 TBSP of PB2 is only 45 calories.

  • Julia

    Would this be ok to make ahead of time and leave in the fridge for a few days?

    • Hi Julia!

      I have never made this smoothie in advance. I typically eat it right after I make it. I would say it should be good overnight sealed in a jar or Tupperware. But I would not do more than that. I would worry it might start separating.



  • Stephanie Garvin-Owsley

    I love this smoothie. I used almond milk and a frozen banana. I need this morning pick me up. I am a teacher and my days are long. This is a great way to start my mornings. Thank you for this recipe.

  • Lakesha Smith

    Hi Kelley,

    I plan to try this but I wanted to know, have you tried it with fresh spinach? If so, is it a go or a no?!

    • Hi Lakesha!

      I have not tried adding spinach to this smoothie but I add it to most of my other smoothies and its always amazing! You can’t taste the spinach and you still get the boost of vitamins. I would recommend doing it! I would say add about 1/2 cup or 1 cup to your smoothie!



  • Lynnette

    Delicious!! I made this with almond milk cause that’s what I had on hand and I will def be making it again. Thanks !

  • monica

    Can I substitute the milk with plain fat free yogurt instead???

  • Kristina

    I just made this today, and it was thick. It looked like a melted milkshake. I added 4 ice cube, and changed 1/2 cup of soy milk to 1 cup, and it turned out delicious!

  • Nicole

    Hey there, I know this is a late question but would this recipe still come out as good if I used 1 cup of low fat normal milk?

    • Tim

      This was the first smoothie I made. Was suitably impressed, has a high amount of protein. For bodybuilding can always double the quantity and is a natural mass gainer.

    • Hi Jane,

      I would not recommend using steel cut oats in this recipe. They usually require to be cooked before using. I would recommend rolled oats or old fashioned oats.



  • Sarah

    I used almond milk instead of soy milk and added a few drops of vanilla to sweeten. I also ended up adding a small handful of ice cubes to make it a little thinner and colder. These minor changes made a delicious drink! I love the peanut butter and banana combo in the morning and as a “dessert” at night!

  • Zainab Sambo

    Hi Kelley,

    I really like this recipe and I want to try it ASAP!!! But I don’t have peanut butter? Is there anything I can use instead?


  • Zainab Sambo

    I made this but swapped the peanut butter for Nutella and used semi skimmed milk instead… turned out great! Next time I’ll use peanut butter!


  • Tracy

    I blend my oats first but tonight I’m soaking them in the milk overnight to see if this will soften for blending in the morning. I also use almond butter instead of peanut butter and I love the taste 🙂
    Thanks for the recipe.