Need a breakfast that’s as cozy as your favorite sweatshirt but actually fills you up? This banana smoothie with oats and cinnamon is your new morning BFF. It’s creamy, hearty, and tastes like dessert (but won’t leave you hangry by 10 AM). Plus, it takes five minutes to blend—no cooking, no fuss, just delicious fuel.
Why This Smoothie Slaps
Let’s be real: not all smoothies are created equal. Some taste like sad, diluted fruit juice, while others have the texture of cement. This one? It’s the Goldilocks of smoothies—just right. Here’s why:
- Oats add staying power: Unlike watery smoothies that vanish from your stomach in 20 minutes, the oats here keep you full for hours.
- Cinnamon is a flavor cheat code: It adds warmth and depth, making this taste like banana bread in liquid form.
- Naturally sweet: Ripe bananas do all the work, so you can skip added sugar (unless you’re into that—no judgment).
Ingredients You’ll Need
Grab these pantry staples, and you’re 90% of the way there. FYI, substitutions are totally fine—we’ll cover those later.
- 1 large ripe banana (the spottier, the sweeter)
- ½ cup rolled oats (instant or quick oats work too)
- 1 cup milk (dairy, almond, oat—your call)
- ½ tsp cinnamon (or more if you’re a cinnamon fiend)
- 1 tsp vanilla extract (optional but *chef’s kiss*)
- Ice (if you like it extra cold)
Optional Upgrades
Want to level up? Throw in one (or all) of these:
- A spoonful of peanut butter or almond butter for protein
- A handful of spinach (trust me, you won’t taste it)
- A scoop of protein powder if you’re gym-bound
- A drizzle of honey or maple syrup if you’ve got a sweet tooth
How to Make It (Without Wrecking Your Blender)
Blending oats can be tricky—nobody wants chunk city. Here’s how to avoid a texture disaster:
- Blend the oats first: Pulse them into a fine powder before adding anything else. This prevents gravel-like surprises.
- Add liquids next: Pour in the milk to help everything blend smoothly.
- Toss in the banana and spices: Break the banana into chunks so your blender doesn’t revolt.
- Blend until creamy: About 30 seconds should do it. If it’s too thick, add a splash more milk.
Pro Tip: Soak Your Oats
If your blender isn’t a high-powered beast, soak the oats in milk for 10 minutes first. They’ll soften up and blend like a dream.
Customize It Like a Boss
This recipe is more of a vibe than a strict rulebook. Here’s how to make it yours:
For the Dairy-Free Crowd
Swap regular milk for almond, oat, or coconut milk. IMO, oat milk makes it extra creamy.
For the Protein Seekers
Add a scoop of vanilla protein powder or Greek yogurt. Boom—20+ grams of protein without the chalky aftertaste.
For the Tropical Twist
Throw in some frozen mango or pineapple. Suddenly, you’re on a beach (mentally, at least).
FAQ: Your Smoothie Questions, Answered
Can I use frozen bananas?
Absolutely! Frozen bananas make it extra thick and creamy—like a milkshake. Just peel and slice them before freezing to avoid blender battles.
Will this taste like oatmeal?
Nope. The oats blend into the background, adding heft without that “bowl of porridge” vibe. It’s like a banana smoothie with a secret superpower.
Can I prep this the night before?
Sort of. Blend it fresh for the best texture, but you can mix the dry ingredients (oats, cinnamon) ahead. Store them in a jar, then add wet ingredients in the AM.
Is this kid-friendly?
100%. It’s sweet, creamy, and sneaks in nutrients. Call it a “banana milkshake” if you need to trick picky eaters.
Final Verdict: Make This Tomorrow
This banana smoothie with oats and cinnamon is the ultimate morning hack—fast, filling, and stupidly delicious. It’s breakfast for lazy people who still want to adult responsibly. Blend it, sip it, and thank yourself later.

