Blueberry Banana Oatmeal Smoothie Recipe – A Healthy Breakfast Smoothie You’ll Love
Let Me Tell You About This Blueberry Banana Oatmeal Smoothie
So, the first time I tossed blueberries, bananas, and oats into a blender (thinking I was basically inventing breakfast magic), I’d just returned form a muddy morning run that left me craving something quick, filling, and—not gonna lie—a bit sweet. My brother walked in, saw the mess, and declared nothing good could come of that situation. Spoiler: He was wrong. This smoothie turned out so creamy, and honestly, it’s now my lazy-day breakfast hero. The funniest bit? I always manage to spill a little oat dust on the counter, like a secret breakfast signal for the cat.
Why This Smoothie Just Hits the Spot
I make this whenever I’ve got bananas going spotty on the counter (which is at least twice a week—clearly, I’m overoptimistic at the grocery store). My kids go absolutely bonkers for it, and yeah, it gets sneakily healthy stuff into them without the breakfast table negotiations. Actually, I tried making it after a holiday when only frozen berries were left in the freezer—worked like a charm! The oats make it fill you up, so I’m not sneaking crackers by 10 AM. I won’t lie, my blender used to struggle, but now I give the oats a little soak first. Problem solved (well, most of the time).
What You Need (Substitutions Totally Welcome)
- 1 ripe banana (if yours is looking more brown than yellow, that’s the sweet spot)
- 1/2 cup of blueberries; fresh or frozen both work. When we run out, I’ve used strawberries; still good, but the color gets wild.
- 1/3 cup rolled oats—my gran swore by the supermarket’s house brand, but I literally grab whatever’s on sale
- 1 cup milk (any kind! Almond, oat, dairy, or sometimes just a splash of both if I’m running low)
- 1 tablespoon nut butter—peanut, almond, or sunflower seed butter works (or skip if you want it lighter)
- 1-2 teaspoons honey or maple syrup (sometimes none if the banana’s sweet enough—it’s a gamble!)
- Optional: A pinch of cinnamon (I like this a lot, my partner says it feels “too wintery”)
- Ice cubes, just a couple for a chill smoothie, more if you’re feeling fancy
How I Make It (and Sometimes Mess It Up)
- Chuck the oats in the blender; I often let them soak in the milk for five minutes while I do a quick kitchen tidy. If you’re in a mad rush, just dump everything in together—don’t sweat it.
- Add banana, blueberries, milk (and nut butter, if using). This is where I usually lick the spoon (chef’s privilege!). Toss in honey or syrup, cinnamon if going that route, and a few ice cubes. Oh, and don’t forget the blender lid—I did that once and, well, purple splatter everywhere.
- Blend on high until totally smooth. Sometimes it looks a bit…sludgey before it comes together, but that’s normal. If it’s too thick, just add a splash more milk. Too thin? A handful more oats or some extra fruit.
- Taste, then adjust. Needs more sweetness? Add it. A bit bland? Sprinkle in a pinch more cinnamon or even a dash of vanilla.
- Pour into a big glass, and try not to gulp it down in one go (I have failed this challenge).
Notes From My Kitchen Fails (and Wins)
- If your blender is slightly ancient (like mine), definitely soak the oats. Otherwise, you’ll get kind of weird chewiness—it’s not bad, but not what I want in the morning.
- Actually, I’ve noticed it’s even creamier if you use frozen banana. Something about the cold makes it feel like dessert.
- Blueberries stain EVERYTHING. My white t-shirt still has a stubborn spot, so…aprons are your friend.
Things I’ve Tried (and a Few That Flopped)
- Spoon of chia seeds? Lovely, but then you better drink it quick before it turns to pudding.
- Once swapped mango for blueberries. Honestly, not my favorite. It was sort of too tropical; stick to the classics here.
- Did a dash of instant coffee once—like a weird breakfast wake-up call. Maybe don’t, unless you’re braver than me.
Don’t Sweat the Gear
Honestly, just a regular blender will do. If you’re stuck with only a hand blender, just blend the oats with milk first for a minute, then add everything else. It’ll take a bit longer but does the trick. In fact—I only bought a ‘fancy’ blender after my old one started smelling suspiciously smoky (not recommended!).
Keeping It Fresh (Or Don’t Bother?)
This keeps okay in the fridge for up to a day or so; give it a stir or a shake since it likes to separate. But realistically, in my house, it barely survives an hour before someone snags it. If you want to prep ahead, just portion the dry ingredients in jars—then add wet stuff and blend in the morning. Makes life easier (except when someone nicks the last banana).
How We Like to Serve It (Quirks Allowed)
Sometimes I go wild and top it with a sprinkle of granola or a few coconut flakes. The kids love mini chocolate chips on theirs (not traditional, but who’s judging?). Honestly, it’s perfect with just a spoon and a cup of strong tea to the side. Or if I’m late for work, I pour it into a to-go cup, slosh it everywhere, and pretend I planned to clean the car anyway.
What I’ve Learned (So You Don’t Have To)
- Don’t rush the blending step—it really is worth waiting the extra 30 seconds. I once ended up with lump city because I thought I could save time. Nope.
- If using frozen fruit, be patient; otherwise, you’ll end up with what I call “blueberry boulders.”
- Don’t overthink the milk. Any kind, honestly, whatever’s open in the fridge.
FAQs From My (Mostly Hungry) Friends
- Can I prep this smoothie the night before?
Yeah, totally. Sometimes it thickens up overnight—just add a splash more milk and give it a good shake or stir. - Can you skip the oats?
Well, you could… but it’s not the same. The oats make it almost hearty. But sure, I guess you can, if you’re not feeling them. - What if I don’t have nut butter?
Skip it or use plain yogurt for some creaminess, I’ve done both. Not a big deal! For other swaps, I really like Serious Eats’ smoothie tips for inspiration. - Best way to clean the blender?
I fill it halfway with warm water and a drop of soap, then blend for a second. Way easier, and less risk of cutting your finger (ask me how I know). - Can this be made vegan?
Absolutely—plant milks, maple syrup, and sunflower seed butter all work. Actually, Minimalist Baker has great vegan swaps I steal all the time. - My smoothie’s grey, is that bad?
Nope, you’re just using very ripe bananas or frozen berries. Not Instagram-cute, but tastes fabulous!
So there you go—my Blueberry Banana Oatmeal Smoothie recipe, complete with minor mishaps, real-life substitutions, and at least three references to my inability to keep bananas from browning too fast. Give it a whirl and let me know if you come up with a better flavor combo (but honestly, I doubt you will).
Ingredients
- 1 cup frozen blueberries
- 1 ripe banana
- 1/2 cup rolled oats
- 1 cup low-fat milk (dairy or plant-based)
- 1/2 cup plain Greek yogurt
- 1 tablespoon honey or maple syrup
- 1/2 teaspoon ground cinnamon
- 1/2 cup ice cubes (optional)
Instructions
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1Add the frozen blueberries, ripe banana, rolled oats, milk, Greek yogurt, honey or maple syrup, and ground cinnamon into a blender.
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2If you prefer a colder and thicker smoothie, add ice cubes to the blender.
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3Blend all the ingredients on high speed until the mixture is completely smooth and creamy.
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4Taste and adjust sweetness if needed by adding more honey or maple syrup.
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5Pour the smoothie into glasses and serve immediately for best flavor and texture.
Approximate Information for One Serving
Nutrition Disclaimers
Number of total servings shown is approximate. Actual number of servings will depend on your preferred portion sizes.
Nutritional values shown are general guidelines and reflect information for 1 serving using the ingredients listed, not including any optional ingredients. Actual macros may vary slightly depending on specific brands and types of ingredients used.
To determine the weight of one serving, prepare the recipe as instructed. Weigh the finished recipe, then divide the weight of the finished recipe (not including the weight of the container the food is in) by the desired number of servings. Result will be the weight of one serving.
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