If you’re looking for a smoothie that actually feels like breakfast, this Oatmeal Banana Smoothie is it. It’s thick, creamy, and naturally sweet – almost like sipping on a banana oatmeal cookie, but cold and sippable. The frozen bananas make it super smooth, the oats give it that cozy, comforting texture, and the peanut butter? It adds just the right touch of richness. There’s also a hint of cinnamon and vanilla to round everything out, making each sip feel like a warm hug (even though it’s served chilled!).
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Why You’ll Love This Recipe
Before we dive in, let me tell you why this smoothie has become such a staple in my kitchen. It’s one of those recipes that just works—especially on mornings when you need something fast, filling, and actually delicious.
- It’s basically breakfast in a glass. You get all the good stuff – bananas, oats, yogurt, peanut butter – in one creamy, dreamy sip. It tastes like a banana oatmeal cookie, but somehow still feels super nourishing.
- You don’t need to overthink it. Just toss everything into a blender and you’re good to go.
- Super flexible. Use whatever plant milk you’ve got, skip the protein powder if you’re not into it, or switch up the nut butter.
- Meal prep approved. I sometimes freeze the bananas with the oats and seeds in little zip-top bags, so all I have to do is add milk and blend.
Ingredients You’ll Need
This smoothie couldn’t be easier to whip up, and it all comes together with everyday staples you might already have on hand.
You’ll find all the exact measurements in the recipe card at the bottom of the page, so no need to worry about remembering the details right now.
Here’s what you’ll need to get started:
- Frozen bananas
- Rolled oats
- Plant milk (like soy, almond, or oat)
- Plain plant-based yogurt
- Peanut butter
- Chia seeds or flaxseed
- Vanilla extract
- Maple syrup (optional)
- Vanilla protein powder (optional)
- Ground cinnamon
Instructions
Follow along with this easy, step-by-step guide to make your Oatmeal Banana Smoothie. Don’t worry about the exact amounts or details—we’ve got you covered in the full recipe card at the bottom of the page.
Step One: Add all ingredients to a high-speed blender.
Step Two: Blend on high until smooth and creamy. Scrape down the sides if needed to make sure everything gets incorporated.
Step Three: Check the texture. If it’s too thick, add a splash more milk to loosen it up to your liking.
Step Four: Pour into a tall glass, then finish with a swirl of peanut butter, a few oats on top, and a quick sprinkle of cinnamon.
Storage
Pour any extras into a sealed jar or airtight container and keep it in the fridge for up to 24 hours. Just give it a good shake or stir before drinking, since it tends to thicken as it sits. I sometimes add a splash of milk to loosen it up again.
For longer storage, freeze it in a silicone ice cube tray. Then just toss the cubes into a blender with a little milk when you’re ready – instant smoothie, no effort required.
Expert Tips
Freeze smoothie packs with pre-portioned banana, oats, and chia – just add milk and blend straight from frozen!
FAQ
Absolutely. It’s completely optional. I usually leave it out unless I’m having the smoothie post-workout or need it to hold me over until lunch.
Any nut or seed butter works – almond, cashew, sunflower seed, or tahini. I’ve even used a spoonful of coconut cream in a pinch, and it was delicious!
Not necessarily. A standard blender does the job if your bananas are soft and your oats aren’t super coarse. Just blend a little longer to get that extra creamy finish.
Serving Suggestions and More Recipes
This smoothie is filling enough to enjoy on its own, but sometimes I love dressing it up a bit. A sprinkle of granola on top adds the perfect crunch, and if I’m extra hungry, I’ll pair it with a slice of toast or a breakfast cookie. You could also pour it into a bowl and turn it into a smoothie bowl—just add your favorite toppings like nut butter, fresh fruit, or coconut flakes. If you’re sipping it post-workout, try blending in some extra protein or serving it alongside a handful of almonds for a little boost.
If you loved this smoothie, there are a few more blends I think you’ll really enjoy. The Pumpkin Smoothie is perfect for cooler mornings or whenever you’re in the mood for something a little more seasonal. For something on the lighter, fruitier side, the Tropical Smoothie brings together mango, pineapple, and banana for a refreshing, sunshine-in-a-glass kind of feel. And if you’re after a vibrant, energizing boost, the Beet Juice Blend combines earthy beetroot with zingy citrus and a touch of sweetness.
Hope this smoothie finds a cozy spot in your morning routine—it’s definitely earned one in mine. Whether you’re sipping it on the go, pouring it into a bowl, or sneaking in extra goodies, I’d love to hear how you make it your own. If you give it a try, drop a comment below or tag me on social @glowdiaries___ – I always get excited seeing your creations! And if you know someone who could use a quick, nourishing breakfast idea, feel free to pass this along. Happy blending! 🥄💛
Oatmeal Banana Smoothie Recipe
Equipment
- Blender
Ingredients
- 2 medium frozen bananas
- ½ cup rolled oats
- 1 cup soy milk or any plant-based milk
- ½ cup plain plant-based yogurt
- 1 tbsp peanut butter
- 1 tbsp chia seeds or flaxseed
- ½ tsp vanilla extract
- 1 tbsp maple syrup optional
- 1 scoop vanilla protein powder optional
- ½ tsp ground cinnamon
Instructions
- Add frozen bananas, oats, milk, peanut butter, chia seeds, vanilla, maple syrup, cinnamon, and protein powder (if using) to a blender.
- Blend until thick and creamy.
- Pour into large glass, garnish with a drizzle of peanut butter, a few oats and light sprinkle of cinnamon.
Ron says
Tried this with peanut butter and almond butter! both so good 🥰. Thank you 🙏