There’s nothing quite like a luscious, nutrient-dense smoothie to kickstart your day or re-energize your afternoon. This **Blueberry Banana Oat Smoothie** is a true powerhouse, expertly blending the vibrant goodness of antioxidant-rich blueberries with the natural sweetness of ripe bananas and the wholesome fiber of rolled oats. Designed for a perfectly satisfying breakfast or a guilt-free snack, this recipe is incredibly quick to prepare, getting you from ingredients to enjoyment in mere minutes. Plus, it’s completely dairy-free and vegan, making it suitable for a wide range of dietary preferences without compromising on taste or texture.

The Enduring Appeal of Smoothies
Smoothies hold a special place in my daily routine, cherished for their incredible versatility and the endless possibilities for creative flavor combinations. They are not merely drinks but complete, wholesome meals or energizing snacks, perfect at any time of day. Whether you need a quick grab-and-go breakfast to fuel a busy morning, a refreshing post-workout recovery drink, or a healthy mid-day pick-me-up, a well-crafted smoothie delivers vital nutrients in a delicious, easy-to-digest form. I revel in experimenting with unique blends, such as a zesty Orange Cream Smoothie that remarkably evokes nostalgic summer flavors with just three simple ingredients, or a vibrant Tropi-Kale Green Smoothie that gracefully combines refreshing tropical notes with the robust nutrition of baby kale.
My Go-To Favorite: The Blueberry Banana Oat Smoothie
Among all the smoothie creations I’ve perfected over the years, this **Blueberry Banana Oat Smoothie** is undeniably the one I prepare most frequently. The primary reason for its constant presence in my kitchen is its sheer convenience: I almost always have a generous stash of frozen blueberries and perfectly overripe bananas readily available. This makes it a consistently reliable and delicious choice that requires minimal planning.
A personal secret to achieving that perfect smoothie texture lies in my habit of freezing overripe bananas. Whenever I find myself with an abundance of bananas nearing their peak ripeness, I make it a point to peel them, slice them into convenient portions, and pop them into the freezer. These frozen banana slices are a genuine game-changer, imparting an unparalleled thickness and a delightful frosty texture that elevates a good smoothie to an extraordinary one. Furthermore, to enhance its nutritional profile and ensure a truly lasting feeling of fullness, I’ve incorporated old-fashioned rolled oats. This thoughtful addition provides a significant boost of sustained energy and essential dietary fiber, making it an ideal way to power through the morning or refuel during a busy day. It’s truly the perfect blend to invigorate your senses, nourish your body, and keep you satisfied for hours.

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Why You’ll Love This Blueberry Banana Oat Smoothie
This isn’t just another smoothie recipe; it’s a carefully crafted blend designed for maximum flavor, nutrition, and convenience. Here are the compelling reasons why this Blueberry Banana Oat Smoothie is poised to become your new favorite:
- Unbeatably Creamy & Satisfying: Thanks to the ingenious combination of frozen bananas and finely ground whole-grain oats, this smoothie achieves an incredibly smooth, thick, and luxurious texture. It’s rich and indulgent enough to feel like a delightful treat, yet it’s profoundly wholesome, providing sustained energy that keeps you feeling full and satisfied for hours, effectively curbing those notorious mid-morning cravings.
- Nutrient-Packed Powerhouse: Every single sip of this vibrant smoothie delivers a concentrated dose of essential vitamins, minerals, and potent antioxidants. Blueberries are globally renowned for their exceptionally high antioxidant content, which plays a crucial role in supporting cellular health and combating oxidative stress. Bananas contribute vital potassium for heart and muscle function, along with natural sugars for a quick energy boost. The addition of oats provides a significant boost of soluble fiber, which is known to aid digestion, promote gut health, and help stabilize blood sugar levels.
- Effortless Preparation for Busy Lifestyles: In today’s fast-paced world, quick, healthy meals are not just a luxury but a necessity. This blueberry banana oat smoothie truly shines in its simplicity, requiring just four core ingredients and coming together in less than 10 minutes from start to finish. It’s the ultimate solution for rushed mornings or whenever you need a speedy, nutritious pick-me-up without any fuss.
- Flexible Fruit Choice for Any Season: Whether you’re blessed with a bounty of fresh blueberries from the farmer’s market or you have a freezer well-stocked with frozen ones, this recipe accommodates both options beautifully. While using frozen berries inherently contributes to a colder, thicker smoothie, fresh ones work perfectly too, especially when paired with the essential frosty base of a frozen banana.
- Customizable to Your Personal Taste & Dietary Needs: The base recipe for this smoothie is absolutely fantastic on its own, but its true genius lies in its incredible adaptability. You can effortlessly switch out the almond milk for any dairy or non-dairy alternative you prefer, allowing you to tailor it perfectly to your specific dietary needs, allergies, or unique taste preferences. From creamy soy milk to rich oat milk, light coconut milk, or traditional cow’s milk, the possibilities for customization are truly endless.
Nutritional Benefits of Key Ingredients
Understanding the incredible goodness packed into each component of this smoothie makes enjoying it an even more enriching experience. Here’s a closer look at what makes these essential ingredients so profoundly beneficial for your health and well-being:
- Blueberries: The Antioxidant Superstars: These small but mighty berries are globally celebrated for their exceptionally high levels of antioxidants, particularly anthocyanins. These powerful compounds are crucial for fighting damaging free radicals in the body, which helps to significantly reduce oxidative stress and inflammation at a cellular level. Beyond their antioxidant prowess, blueberries are also an excellent source of Vitamin C and K, and manganese, all of which actively support robust immune function, healthy blood clotting, and strong bone health.
- Bananas: Nature’s Convenient Energy Boost: Ripe bananas are not only delightfully sweet and satisfying but also serve as a fantastic, readily available source of potassium, an essential electrolyte vital for maintaining proper heart health, optimal muscle function, and ensuring a balanced fluid equilibrium within the body. They provide natural sugars for a rapid, yet gentle, energy release, along with dietary fiber which profoundly aids in smooth digestion and promotes a lasting feeling of fullness. Strategically using frozen bananas also brilliantly eliminates the need for adding ice, thus preventing any dilution and ensuring a purely flavorful, thick smoothie.
- Rolled Oats: Fiber for Sustained Energy: Old-fashioned rolled oats are an undeniable whole grain powerhouse, offering complex carbohydrates that release energy slowly and steadily throughout your system. This gradual release is key to preventing sudden sugar spikes and subsequent energy crashes. They are particularly rich in soluble fiber, specifically beta-glucan, which has been scientifically shown to help lower unhealthy cholesterol levels and foster a thriving, healthy gut microbiome. This makes the addition of oats incredibly effective in making the smoothie exceptionally filling and profoundly beneficial for long-term digestive and cardiovascular health.
- Almond Milk: Dairy-Free Creaminess with a Gentle Touch: Unsweetened almond milk is a widely popular and excellent dairy-free alternative that gracefully adds a delicate, subtle nutty flavor and a wonderfully smooth, creamy consistency to your smoothie, all without contributing excessive calories or unwanted added sugars. It is frequently fortified with essential calcium and Vitamin D, making it a particularly good choice for supporting robust bone health, especially for individuals who are avoiding dairy products. Its inherently light texture also perfectly complements the fruit flavors, helping to achieve the ideal blend without ever overpowering the natural sweetness and tang of the berries and banana.
Essential Ingredients for Your Smoothie
Crafting this simple yet spectacular blueberry banana oat smoothie requires just a handful of thoughtfully chosen ingredients, making it incredibly accessible and easy to incorporate into your routine. Each component plays a vital and distinct role in creating its delightful flavor, satisfying texture, and robust nutritional profile. Feel absolutely free to adjust the quantities slightly to perfectly suit your individual taste preferences and desired consistency.

- Blueberries: These are undeniably the star of our show! You have the flexibility to use either fresh or frozen blueberries. For a truly frosty and luxuriously thick smoothie, especially if your banana isn’t frozen, it’s highly recommended to opt for frozen blueberries. They also tend to be a more cost-effective choice when purchased in bulk frozen, allowing you to enjoy this vibrant ingredient year-round.
- Banana: This fruit is absolutely crucial for adding natural, mellow sweetness, substantial body, and an utterly irresistible creamy texture to your smoothie. If you’re utilizing fresh blueberries, it is almost essential to use frozen banana to achieve that desired thick, wonderfully frosty smoothie consistency. Make it a habit to always have a supply of pre-sliced frozen banana pieces readily on hand in your freezer!
- Almond Milk: This ingredient provides the necessary liquid base that facilitates smooth blending. Unsweetened almond milk is an excellent choice as it helps keep the overall sugar content low and introduces a subtle, pleasant nutty flavor. However, please feel entirely free to substitute it with any dairy or non-dairy milk of your choice – creamy soy milk, rich oat milk, tropical coconut milk, or even traditional cow’s milk will all work wonderfully and integrate seamlessly into the recipe.
- Oats (Optional but Highly Recommended): Incorporating about 1/2 cup of old-fashioned rolled oats or quick oats into your smoothie makes it incredibly satisfying and significantly boosts its dietary fiber content. This crucial fiber helps keep you feeling fuller for a considerably longer period. If you prefer or require a grain-free option for your smoothie, simply omit the oats entirely. The smoothie will still be wonderfully delicious and nutritious!
For precise measurements and detailed step-by-step instructions, please refer to the comprehensive recipe card conveniently located at the bottom of this article.
Step-by-Step Guide: How to Make the Perfect Smoothie
Creating this delicious blueberry banana oat smoothie is remarkably straightforward and requires minimal effort, making it an ideal choice for anyone, regardless of their culinary skill level or time constraints. The key to achieving a consistently fantastic texture lies in thoughtfully utilizing frozen fruit, particularly frozen bananas, which impart a luxurious thickness and chill without diluting the vibrant flavors, unlike ice. Moreover, frozen blueberries are not only incredibly convenient to use but are also often more economical when purchased out of season, ensuring you can enjoy this delightful treat year-round.
Pro Tip for Unmatched Thickness: For the ultimate creamy, wonderfully thick, and frosty smoothie, always prioritize using frozen banana. It acts as a phenomenal natural thickener and provides that delightful, refreshing chill without adding any water. You can easily prepare frozen bananas by peeling overripe ones, slicing them into manageable coins or chunks, and freezing them flat on a baking sheet to prevent clumping before transferring them to an airtight container or a reusable silicone bag. They will keep beautifully in your freezer for up to 3 months, always ready whenever a smoothie craving strikes!
For the most comprehensive and detailed instructions on ingredient ratios and specific blending tips, please refer to the complete recipe card conveniently located at the bottom of this article.

- Prepare the Oats: Begin by carefully placing the rolled oats into your high-speed blender. Process them on high speed until they are thoroughly and finely ground into a flour-like consistency. This initial step is crucial as it ensures a wonderfully silky-smooth texture in your final smoothie, effectively preventing any undesirable grainy bits.
- Combine and Blend Remaining Ingredients: Next, add the remaining essential ingredients – the vibrant frozen blueberries, the creamy frozen banana slices, and the unsweetened almond milk – to the blender. Start blending on a low speed to incorporate everything, then gradually increase to high speed until the entire mixture is completely smooth, homogenous, and beautifully creamy. If your blender seems to struggle, or if the smoothie appears excessively thick, add a small splash more milk, approximately 1/4 to 1/2 cup at a time, until you precisely achieve your desired pourable consistency. Be cautious not to add too much liquid at once, as this can easily result in a thin, watery smoothie.
- Serve Immediately for Optimal Enjoyment: Once blended to perfection, promptly pour your freshly prepared Blueberry Banana Oat Smoothie into a glass and savor it right away for the absolute best taste, optimal texture, and maximum refreshment!

Customize Your Smoothie: Delicious Variations
While the classic Blueberry Banana Oat Smoothie is wonderfully satisfying and perfect on its own, it also serves as an exceptional and versatile base for creative experimentation. Feel absolutely free to get inventive and tailor it perfectly to your specific dietary needs, enhance its nutritional profile, or simply explore new flavor preferences with these delightful and impactful additions:
- Protein Power-Up: For an essential extra boost of protein, making it ideal for robust post-workout recovery or transforming it into a more substantial and filling meal replacement, simply add a scoop of your favorite protein powder. Vanilla or unflavored varieties tend to integrate best without altering the core flavors.
- Healthy Fats & Enhanced Creaminess: To introduce beneficial healthy fats and further amplify the smoothie’s inherent creaminess and richness, incorporate a tablespoon or two of your preferred nut butter, such as smooth almond butter, classic peanut butter, or mild cashew butter. These also contribute a lovely depth of flavor.
- Super Seeds for Nutritional Density: Significantly boost your intake of vital omega-3 fatty acids and beneficial fiber by adding a tablespoon of nutrient-dense chia seeds, finely ground flax seeds, or wholesome hemp seeds. These tiny powerhouses also have the added benefit of naturally helping to thicken the smoothie as they absorb liquid.
- Sneaky Green Goodness: Seamlessly sneak in some extra vegetables without noticeably altering the smoothie’s delicious taste. A generous handful of fresh spinach or a small amount of tender baby kale blends in effortlessly, adding a rich array of iron, vitamins, and minerals.
- Aromatic Spice Infusion: Elevate the smoothie’s flavor profile with a touch of warmth and complexity. A delicate pinch of cinnamon, a hint of nutmeg, or a dash of pure vanilla extract can add wonderful aromatic nuances and depth.
- Natural Sweetness Boost: If your fruit isn’t quite ripe enough to provide sufficient sweetness, or if you simply prefer a sweeter smoothie, consider adding a modest drizzle of pure maple syrup, a single pitted Medjool date (which also adds fiber), or a touch of a natural sweetener like stevia, adjusted to your personal taste.
- Extra Berry Blast: For an even more intense berry flavor and an additional surge of antioxidants, consider augmenting the blueberries with a few frozen raspberries, a handful of mixed berries, or even some blackberries.
- Yogurt for Probiotics & Tang: For added tanginess, beneficial probiotics, and an extra layer of velvety thickness, a generous scoop of plain Greek yogurt (either dairy-based or a non-dairy alternative) is a fantastic and healthy addition that also boosts protein.
Common Smoothie FAQs
Got questions about making the perfect blueberry banana oat smoothie? We’ve got clear and concise answers to help you achieve smoothie perfection every single time.
Absolutely! Both fresh and frozen blueberries work wonderfully in this recipe. However, if you opt for fresh blueberries, it’s highly recommended to use frozen bananas. This strategic combination ensures your smoothie achieves that desirable thick, frosty texture without becoming too thin or watery. Using frozen blueberries is also often a more budget-friendly option, especially when fresh berries are out of season or expensive.
Yes, both quick oats and old-fashioned rolled oats are perfectly suitable for this recipe. Quick oats will typically blend into a smoother consistency perhaps a little faster, while rolled oats tend to offer a slightly heartier and more robust fiber content. It’s important to note that the oats are also entirely optional; you can omit them completely if you prefer or require a grain-free smoothie, or if you simply don’t have them on hand.
Achieving a wonderfully thick and luscious smoothie is all about selecting the right ingredients and maintaining proper ratios. Here are some of the top tips to enhance smoothie thickness:
- Frozen Fruit: This is unequivocally your best friend! Frozen bananas, berries, mango, or pineapple are excellent choices for adding substantial body, creamy texture, and a delightful chill without watering down the overall flavor.
- Oats: A half-cup (1/2 cup) of rolled or quick oats, ideally ground before blending, can significantly thicken the smoothie and simultaneously boost its soluble fiber content.
- Nut Butter: Incorporating a tablespoon or two of creamy peanut butter, rich almond butter, or smooth cashew butter not only adds an indulgent richness and beneficial healthy fats but also contributes notably to a thicker consistency.
- Yogurt: Plain Greek yogurt (whether dairy-based or a non-dairy alternative) is fantastic for both thickening your smoothie and imparting a creamy, slightly tangy element, along with valuable probiotics.
- Seeds: Nutrient-dense chia seeds or finely ground flax seeds possess remarkable liquid-absorbing properties, causing them to expand and make your smoothie noticeably thicker while also adding beneficial omega-3s and additional fiber.
- Less Liquid: Always begin with the minimum amount of liquid specified in the recipe and add more very sparingly, in small increments, until you precisely achieve your desired consistency. This prevents an overly thin result.
- Ice (Use Sparingly): While ice can indeed make a smoothie colder and contribute a slight thickening effect, using too much can unfortunately dilute the vibrant flavors. It’s generally best used as a last resort or in conjunction with ample amounts of frozen fruit.
For the absolute freshest taste and best texture, it is always highly recommended to enjoy your smoothie immediately after blending. If you happen to have leftovers or wish to prepare it slightly ahead of time, you can store it in an airtight container in the refrigerator for up to 24 hours. Be aware that the consistency might change slightly over time, and some natural separation can occur, but a quick stir or vigorous shake will usually bring it right back to life. For longer-term storage, you can freeze it in an ice cube tray or airtight freezer-safe containers for up to a week, then simply re-blend it with a splash of fresh milk when you’re ready to savor it again.
Expert Tips for the Best Blueberry Banana Oat Smoothie
Follow these insider tips and best practices to ensure your blueberry banana oat smoothie is consistently perfect, wonderfully creamy, and bursting with fresh, vibrant flavor every single time you make it.
- Optimize for Unrivaled Thickness with Frozen Banana: This cannot be overstated – frozen bananas are the absolute secret to achieving an incredibly thick, sumptuously creamy, and perfectly frosty smoothie without the need for excessive amounts of ice. To prepare them, simply peel and slice your overripe bananas, then freeze them in a single layer on a baking sheet to prevent sticking before transferring them to an airtight reusable silicone bag or other freezer-safe container for convenient storage of up to 3 months.
- Adjust Liquid Gradually for Perfect Consistency: The precise amount of milk required can fluctuate significantly depending on various factors, such as whether your fruit is fresh or frozen, and the exact ripeness level of your banana. Always begin with the minimum liquid amount suggested (e.g., 1/2 cup) and then incrementally add more in small splashes (about 1/4 cup at a time) until you flawlessly achieve your desired, perfectly pourable and smooth consistency.
- Prioritize Frozen Fruit for Ideal Texture: For that truly ideal frosty texture and satisfying coldness, utilizing frozen fruit is almost always superior to combining fresh fruit with ice cubes. Frozen blueberries, in particular, are also a more economical and sustainable choice, especially outside of their peak growing season, allowing you to enjoy this delicious smoothie consistently throughout the year.
- Effortlessly Make it Grain-Free: If you are consciously following a grain-free dietary regimen, or simply prefer your smoothie without grains, it’s incredibly simple to adapt this recipe. Just omit the oats entirely from the ingredient list. The smoothie will still retain its wonderful creaminess, delicious flavor, and impressive nutritional value.
- Boost Nutrition with Creative Additions: Elevate the nutritional profile of your smoothie even further by thoughtfully incorporating various beneficial additions. A scoop of your favorite protein powder can transform it into a more complete and satiating meal. A tablespoon or two of your preferred nut butter adds healthy fats and a richer substance. Alternatively, a tablespoon of chia seeds or ground flax seed contributes valuable omega-3 fatty acids and additional dietary fiber. Don’t shy away from adding a handful of fresh greens like spinach or kale; they blend in seamlessly, offering extra vitamins and minerals without any noticeable change in taste.
- Master Blender Layering for Optimal Results: For the most efficient and smooth blending experience, especially when using powerful blenders, it’s often best to add ingredients in a specific order. Begin by adding liquids first, followed by softer ingredients (such as fresh fruit), then any leafy greens, and finally, your frozen ingredients (like frozen fruit, ice, and oats). This strategic layering helps the blender blades catch and process everything thoroughly and effectively.

More Refreshing Smoothie Recipes to Explore
If you absolutely loved this delightful Blueberry Banana Oat Smoothie, then you are definitely in for a treat! Discover more of our incredibly easy-to-make and exceptionally delicious smoothie recipes that are perfectly suited for any time of day, offering a fantastic variety to keep your taste buds excited and your body nourished:
- Creamy Banana Coconut Smoothie: A tropical escape in a glass, blending sweet banana with luscious coconut.
- Indulgent Chocolate Banana Protein Smoothie: A rich, satisfying, and protein-packed treat perfect for a healthy dessert or post-workout fuel.
- Sweet Peach Mango Delight Smoothie: A vibrant and refreshing blend of juicy peaches and exotic mango, bursting with sunshine flavor.
- Refreshing Pear Ginger Smoothie: A surprisingly delicious and zesty smoothie featuring the delicate sweetness of pear with a warm, invigorating kick of ginger.
Tried this delightful recipe? If so, we’d absolutely love to hear from you! Be sure to leave a review below and share your beautiful creations by tagging me @flavorthemoments on Facebook and Instagram! Your feedback and stunning photos truly brighten my day and inspire our community.
Blueberry Banana Oat Smoothie
This Blueberry Banana Oat Smoothie is a wonderfully creamy, absolutely delicious, and highly nutritious blend. Jam-packed with antioxidant-rich blueberries, naturally sweet banana, and wholesome whole-grain rolled oats, it’s the perfect way to revitalize your morning or enjoy a fulfilling and healthy snack.
Yields: 2 smoothies
Prep Time: 10 minutes
Cook Time: 0 minutes
Total Time: 10 minutes
Ingredients
- 1/2 cup rolled oats (old fashioned or quick oats; optional for grain-free preference)
- 1/2 cup unsweetened almond milk (add 1/4 – 1/2 cup more milk as needed to reach desired consistency; feel free to substitute with your favorite dairy or non-dairy milk)
- 1 cup frozen blueberries (can substitute with fresh if desired, but frozen fruit creates a thicker, frostier smoothie)
- 1 cup frozen sliced banana (essential for optimal creaminess and thickness; refer to “Expert Tips” section for freezing advice)
Instructions
- Grind Oats: Place the rolled oats into your high-speed blender. Process them on high speed until they are finely ground into a smooth, flour-like consistency. This crucial step ensures a perfectly silky-smooth smoothie texture without any grainy bits.
1/2 cup rolled oats
- Blend All Ingredients: Add the remaining ingredients – the 1/2 cup unsweetened almond milk, 1 cup frozen blueberries, and 1 cup frozen sliced banana – to the blender. Begin blending on a low speed, then gradually increase to high speed and continue until the mixture is completely smooth, homogenous, and beautifully creamy. If your blender seems to struggle or if the smoothie is excessively thick, gradually add an additional 1/4 to 1/2 cup of milk until your desired pourable consistency is achieved. Serve immediately and enjoy!
1/2 cup unsweetened almond milk, 1 cup frozen blueberries, 1 cup frozen sliced banana
Recipe Notes
- Freezing Bananas: For the ultimate thickness and unparalleled creaminess, always use frozen bananas. Peel overripe bananas, slice them into manageable pieces, and freeze them in a single layer on a baking sheet before transferring to an airtight bag or container. They can be stored in the freezer for up to 3 months.
- Adjusting Milk Quantity: The exact amount of milk you will need can vary depending on the ripeness and frozen state of your fruit. Always start with 1/2 cup and slowly add more in small increments as necessary until you achieve your preferred consistency.
- Frozen vs. Fresh Fruit: Frozen fruit yields a superior frosty, thicker smoothie texture and provides intense coldness without dilution. Furthermore, frozen blueberries are often a more economical choice, especially outside of their peak season, allowing you to enjoy this recipe year-round.
- Grain-Free Option: To make this delicious blueberry banana smoothie entirely grain-free, simply omit the rolled oats from the recipe. It will still be wonderfully creamy, nutritious, and satisfying.
- Boosters: Enhance the nutritional value of your smoothie by adding a scoop of your favorite protein powder, a tablespoon or two of any nut butter, or a tablespoon of chia seeds or ground flax seed. A handful of fresh spinach can also be blended in seamlessly for extra greens without altering the taste.
Nutrition Facts (Estimated per serving)
(Nutrition information is an estimate based on standard ingredients and is intended for informational purposes only. Actual values may vary.)
- Calories: 189 kcal
- Carbohydrates: 38g
- Protein: 4g
- Fat: 3g
- Saturated Fat: 0.3g
- Polyunsaturated Fat: 1g
- Monounsaturated Fat: 1g
- Sodium: 165mg
- Potassium: 342mg
- Fiber: 6g
- Sugar: 15g
- Vitamin A: 78 IU
- Vitamin C: 12mg
- Calcium: 168mg
- Iron: 1mg
Course: Breakfast, Healthy Snack, Vegan Meal
Cuisine: American, Healthy, Plant-Based
Author: Marcie
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This article was originally published in January 2016. It has been meticulously revised and extensively updated in [Current Year/Month] with new photography, enhanced step-by-step instructions, expanded nutritional information, and expert tips to provide the most comprehensive and valuable guide to making your perfect Blueberry Banana Oat Smoothie.