This blueberry smoothie recipe with oats blends uncooked oats (soaked in the milk of your choice) right into the drink, giving you a creamy, filling breakfast or snack that's ready in about 15 minutes.
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Recipe Highlights
- Servings: Makes two 8-ounce servings (or 1 large 16-ounce serving).
- Time Commitment: About 15 minutes total: 10 minutes soaking the oats and flaxseed (optional), plus about 5 minutes to prep and blend.
- Effort Required: Easy. Just soak, blend, and pour.
- Special Equipment: A blender. I use a high-powered blender, which helps the smoothie come out extra smooth.
- Dietary Notes: Vegetarian and banana-free. Can be made dairy-free by using a plant-based milk and yogurt.
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This is DELICIOUS!! - Jocelyn ⭐️⭐️⭐️⭐️⭐️
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Ingredients and Substitutions
This blueberry oat smoothie is easy to customize, so feel free to swap in what you have on hand.
- Milk: I use Natrel Plus high-protein dairy beverage, but any milk or milk substitute you prefer works here, including oat milk, soy milk, or almond milk.
- Rolled oats: Stick with rolled oats (also called old-fashioned oats), so they soften properly during the soak. Quick oats will also work in a pinch, but avoid steel-cut oats, since they are not pleasant when eaten raw.
- Frozen wild blueberries: Using frozen berries means you can skip adding ice, since the berries keep the smoothie cold and thick on their own. Substitute with fresh blueberries and a few ice cubes.
- Greek yogurt: Vanilla or coconut-flavoured Greek yogurt adds creaminess and protein. Plain yogurt works, too, if you prefer.
- Ground flaxseed: This is an optional addition for a bit of nutrition. It does add a slightly grainy texture to the smoothie, so leave it out if that's not for you.
- Maple syrup: I don't like my smoothies too sweet, so I only use a small amount. Feel free to adjust this to suit your own taste. Substitute with honey or agave syrup.
This recipe has not been tested with all possible substitutions or variations. Making changes may alter the taste, texture, or overall outcome. If you try a different ingredient, please share in the comments!
See the recipe card for the complete ingredient list and recipe instructions.
Why Add Oats to a Smoothie?
Blending oats into a smoothie is a simple way to make your drink more filling, without needing a separate bowl of cereal or oatmeal on the side.
Soaking the oats first is an optional step, but it helps give the smoothie a smooth texture. I soak mine (along with the ground flaxseed) for about 10 minutes before blending.
I love making an oat smoothie when I need a breakfast that I can take with me, or a light breakfast that will give me energy for my morning workout.
Be sure to use rolled oats (also called old-fashioned oats) or quick-cooking oats for the smoothie. While steel-cut oats are delicious, they're better suited for cooked oatmeal recipes like this apple cinnamon oatmeal.
Want another recipe to use up that bag of rolled oats? Try my toasted oat and coconut muesli.
Variations
- Protein powder: Stir in a scoop of vanilla or unflavoured whey protein along with the other ingredients for a post-workout boost.
- Almond butter: Add 1 tablespoon of almond butter for a nuttier flavour and extra creaminess.
- Cinnamon: Adding a pinch of ground cinnamon adds a nice warm, sweet flavour to this blueberry smoothie. I sometimes add this in to change it up.
If you're in the mood for a completely different kind of smoothie, my Vietnamese avocado smoothie gets its creaminess from ripe avocado instead of yogurt.
Why I Make This Blueberry Oat Smoothie
I started making this smoothie on busy mornings when I needed something quick but still wanted a bit of staying power. Blending uncooked oats into the mix was an easy way to make it more substantial without adding extra prep.
Note that I made this smoothie without bananas. You can add one in if you like. I happen to love wild blueberries (I always keep a stash of them in my freezer), and found that the flavour of the banana overpowered the blueberries.
This blueberry smoothie is my favourite in the summer, even though you can buy frozen blueberries all year long. Once the seasons change, I like to keep something similar in rotation.
In the fall, I switch things up with my sweet potato smoothie, which has that same thick, spoonable texture, just with a cozier flavour.
By winter, I'm usually reaching for my winter citrus Greek yogurt bowl instead.
Serve With
This smoothie is filling enough to enjoy on its own, but it also pairs nicely with a slice of toast and a hard-boiled egg if you'd like a bit more to eat.
Looking for more ideas? Browse all of my breakfast and brunch recipes for more easy ways to start the day.
Common Questions
Yes! Fresh blueberries work well in this recipe. Since they won't chill or thicken the smoothie the way frozen berries do, you'll need to add a few ice cubes to your blender.
You can if you want to, but I haven't found that necessary. I do use a high-powered blender, though.
This smoothie is best enjoyed within a few hours of making it, as the oats will continue to soften and the ground flaxseed will thicken the smoothie as it sits. If you want to make it for later, you may need to thin it out with more milk before drinking.
More Breakfast Recipes You'll Love
Recipe Card
Blueberry Oat Smoothie
Ingredients
- 1 cup milk, or milk substitute
- ¼ cup rolled oats
- ¼ teaspoon vanilla extract
- 1 teaspoon maple syrup, adjust to taste
- ½ cup frozen blueberries, or fresh blueberries
- 1 teaspoon ground flaxseed, optional
- ⅓ cup vanilla Greek yogurt, or coconut-flavoured yogurt
Equipment
- Small Bowl, for soaking the oats and flaxseed (optional)
- Blender
Instructions
- Pour the milk into a bowl. Add the oats and ground flaxseed and allow them to soak for about 10 minutes. This step is optional, but it helps give the smoothie a smoother texture.
- Pour the soaked oat mixture into a blender and add the remaining ingredients.
- Blend until smooth.
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Notes
- Tip: Soaking the oats and flaxseed in the milk for about 10 minutes before blending is optional, but it helps to create a smoother texture.
- Oats: Use rolled or old-fashioned oats for the best texture. Quick oats also work, but avoid steel-cut oats, as they won't soften enough.
- Ground Flaxseed: I add this for the health benefits, but the smoothie has a better texture without it. Omit this if you prefer.
- Blueberries: I used frozen wild blueberries, but any fresh or frozen blueberries will work in this recipe.
Please read the full blog post for all of my tips, variations, and recommendations for this recipe.
Nutrition
Nutritional information is an estimate provided as a courtesy and will vary based on the specific ingredients used. For exact values, use your preferred nutritional calculator with the products you're using.
Private Notes
Have you made this recipe?
Let us know how it turned out in the comments!About Shareba
Shareba Abdul is a recipe developer and food photographer with a Culinary Arts certificate from George Brown College and 15+ years of experience creating and testing recipes for home cooks. She is also a member of the International Association for Culinary Professionals. All recipes on this website are tested in her home kitchen. Learn more →
Katya says
The best smoothie recipe ever! So simple yet so delicious!
Shareba says
I'm glad you enjoyed it! 😀
Jocelyn says
This is DELICIOUS!!
Shareba says
I'm glad you liked it Jocelyn! 😀