Peanut Butter Oatmeal Smoothie

This thick and creamy Peanut Butter Oatmeal Smoothie recipe is loaded with creamy peanut butter, old fashioned oats, bananas, and soy milk. It’s sure to keep you full and satisfied all morning! Perfect for busy mornings, work commutes, post-workout fueling, or midday snacks.

Love smoothies as much as I do? Try my Strawberry Banana Smoothie recipe, my Healthy Berry Yogurt Smoothie recipe, and my Berry Spinach Smoothie recipe.

How To Make a Peanut Butter Oatmeal Smoothie Recipe

Homemade Peanut Butter Oatmeal Smoothie

Smoothies that are healthy AND taste good are the best! And the ones that require a spoon instead of a straw are even better. This Peanut Butter Oatmeal Smoothie is loaded with creamy peanut butter, old fashioned oats, and soy milk. Even though it’s loaded with protein and healthy nutrients, it tastes like dessert in a glass!

This homemade smoothie recipe makes just enough for one serving. It is the perfect portion size for a snack, breakfast, or midday meal. But you can easily double it if you’re making smoothies for two. (That’s my kind of love language!)

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.

Key Ingredients

  • Oats: Rolled oats and old fashioned oats work best in this smoothie. I would not suggest using steel cut oats in this recipe, as they’ll result in a gritty smoothie.
  • Creamy Peanut Butter: You can use natural nut butter in place of the peanut butter if you prefer, to cut down on the sugar. Almond or cashew nut butter would both be delicious!
  • Banana: I like using frozen bananas in this smoothie. It keeps the smoothie extra thick, and it’s the perfect excuse to use up all those overripe bananas on your counter or in your freezer! If you do not like banana, then I would suggest substituting the banana with greek yogurt.
  • Soy Milk: Almond milk, cashew milk, oat milk, or regular milk can be substituted.

TIP: For an extra chilled smoothie freeze your banana first! You could also just add some ice cubes too!

How To Make a Peanut Butter Oatmeal Smoothie Recipe

How Much Protein Is In This Peanut Butter Oatmeal Smoothie?

This Peanut Butter Oatmeal Smoothie is loaded with protein. One serving packs in 14.7 grams of protein and 4.7 grams of fiber, making this a simple, yet filling, smoothie. Here’s where all that protein comes 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 (or until smooth), and stir. Blend again for another 30 seconds to 60 seconds after stirring to ensure there are no chunks. Pour into a glass (or a bowl), and garnish with banana slices, peanut butter drizzle and oats if desired. Serve immediately or place in the refrigerator until ready to eat. You can also double or triple the recipe to have extra on hand for the week!

If you love this recipe then you’ll love my Chocolate Energy Bites!

How To Make a Peanut Butter Oatmeal Smoothie Recipe


  • Want more protein? Add some plain Greek yogurt, raw nuts (like almonds or walnuts), and flax or more chia seeds. You could even add a scoop of your favorite protein powder!
  • Incorporate some raw veggies! Spinach is easily hidden in this smoothie, but broccoli or carrots would be good, too!
  • Need it to be colder? Add some ice!
  • Add some more fruit! Apples, frozen berries, or kiwi would be great here.
  • Add a splash of pure vanilla extract for added flavor! Works well with the peanut butter and oatmeal.
  • Add spice: A touch of cinnamon or ground cloves would be amazing in this! This smoothie reminds me so much of oatmeal in a glass.

Storage and Freezing Instructions

This smoothie is best enjoyed fresh, but you can store leftovers in the fridge for a couple hours if needed. You can also freeze this prepared smoothie in an ice cube tray or freezer-safe container. Just re-blend it before enjoying later.

How To Make a Peanut Butter Oatmeal Smoothie Recipe

More Delicious Breakfast Recipes To Enjoy!

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Peanut Butter Oatmeal Smoothie

4.72 from 21 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 tsp chia seeds, optional if desired


  • Add all of the ingredients to a blender.
  • Blend for 30 seconds or until the smoothie is creamy and lump free.
  • Pour into a glass and garnish with banana slices and oats if desired. 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

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Recipe Rating

Comments - page 2/6

  • 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.





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