Buzz
Image: Claudia Totir/Getty ImagesYou might already have some of these powerhouse foods in your fridge or pantry (shoutout to spinach and green tea!), but what about the freezer? Surprisingly, that cold compartment next to your fridge isn’t just for storing pints of ice cream or frozen appetizers. In fact, several superfoods can stay fresh in the freezer for months if stored properly, while others—like berries and broccoli—are easy to buy frozen, keep in the freezer, and use as needed.
Whether you freeze your own superfoods or buy them frozen, they generally retain their nutritional value once in the freezer. What’s even better? If you’re someone who often has to toss unused fresh kale or mushy avocados, freezing these superfoods can help you consume more healthy options and reduce food waste. Plus, having them on hand means you can quickly whip up a nutritious smoothie or stir-fry in just minutes.
1. Berries
Tiny but mighty, foods like blueberries, raspberries, and blackberries are rich in antioxidants, which help protect your cells from damage caused by free radicals—unstable molecules that can harm healthy cells and contribute to aging, arthritis, cancer, heart disease, and Alzheimer's, among other conditions.
Keep a stock of frozen berries in your freezer, ready to toss into a smoothie straight from the freezer, or let them thaw overnight in the fridge for a topping on yogurt parfaits or salads. In need of a quick superfood boost? Simply thaw a handful of frozen berries in the morning and enjoy them as a refreshing afternoon snack.
2. Salmon
Salmon is celebrated as a superfood due to its high protein and omega-3 fatty acid content. Omega-3s are essential healthy fats that your body cannot produce, meaning they must come from food. These fats assist with blood clotting, muscle movement, and fighting harmful inflammation throughout the body. Research suggests that a higher intake of omega-3s is associated with a decrease in age-related mental decline and a lower risk of Alzheimer's disease.
While salmon can be frozen, you can easily find frozen salmon fillets at your local grocery store or online, where they will stay fresh in the freezer for up to a year. The smaller fillets (around 6 ounces) can be cooked straight from the freezer in the oven or air fryer without the need to thaw first. If you prefer to thaw your salmon overnight, that's perfectly fine too. You can use thawed salmon in this quick and easy Sheet Pan Salmon With Potatoes and Broccolini recipe, ready in just 25 minutes.
3. Tuna
Much like salmon, tuna is packed with protein, which helps build muscle, keeps you satisfied, and is rich in omega-3 fatty acids. Fresh tuna steaks can stay at their best in the freezer for about two to three months, but you can also buy frozen tuna steaks to store directly in the freezer. These will maintain their quality for up to nine months. Once thawed, cook your tuna steak however you like.
4. Broccoli
Need a fast veggie side dish for dinner? Turn to frozen broccoli! This cruciferous vegetable is a superfood because it's an excellent source of filling fiber, anti-inflammatory compounds, and antioxidants like vitamin A and vitamin C. It also provides vitamin K, folate, potassium, phosphorus, and selenium. Thanks to its nutrient density, broccoli offers numerous health benefits, including supporting your immune system, protecting your heart, and safeguarding your joints.
Sauté frozen broccoli florets with garlic and olive oil for an easy side dish or pasta addition, or mix it into a hearty veggie lasagna.
5. Brussels Sprouts
Much like frozen broccoli, frozen Brussels sprouts are a go-to option when you're in need of a quick meal. These cruciferous veggies are among the healthiest foods you can eat, packed with antioxidants, gut-friendly properties, and benefits that can help lower the risk of type 2 diabetes and strengthen bone health. Pressed for time? Just roast frozen Brussels sprouts for an easy side dish. Try this Crispy Brussels Sprouts With Pancetta and Lemon recipe—it complements almost any main course. Leftovers make a great addition to a salad or grain bowl for a nutritious lunch the next day.
6. Kale
This superfood has been a staple for years, and for good reason. Kale is packed with vitamins K, A, and a whopping 71% of your daily value of vitamin C, which boosts your immune system. Not only that, but this dark leafy green is also an excellent source of calcium and iron. While frozen kale may not be ideal for fresh salads (leave that to fresh kale), it works perfectly in smoothies or sautéed as part of a nourishing side dish.
7. Kimchi
Fermented foods like kimchi offer impressive benefits for both your immune system and gut health. While not all fermented foods freeze well, kimchi can be frozen without losing much flavor or texture. If you have store-bought, unopened kimchi, you can freeze it as-is, and for homemade versions, just place it in an airtight container before freezing. Once frozen, kimchi stays at its best—crispy and flavorful—for about three months. To use it, simply thaw it in the fridge overnight or sauté the frozen kimchi with a little cold water for a quick dish.
8. Açaí
If you've ever wandered through the frozen food section, you've likely come across packets of frozen (often puréed) açaí berries. These tropical fruits are rich in antioxidants, may help improve "bad" cholesterol levels, and according to a 2014 study, can protect your brain from age-related damage. Keep frozen açaí packets on hand for vibrant smoothie bowls or to jazz up some plain Greek yogurt.
9. Avocado
Avocados are well-known for their status as a superfood that supports heart health, reduces blood pressure, and offers other benefits. While it may seem counterintuitive to freeze a fruit that's prone to browning, it's actually possible. A ripe avocado can be frozen mashed, puréed, or in chunks, and it will stay fresh for about six months. To prevent browning, simply add a little lemon juice and store it in an airtight container or vacuum-sealed bag. You can also find frozen avocado pieces at the store. While freezing changes the texture slightly, you can still use frozen avocado in smoothies, or once thawed, spread it on toast or mix it into guacamole.
10. Lentils
If you’ve ever cooked with lentils, you know how easy it is to accidentally make too many of these tiny, nutritious legumes. When cooked, lentils are packed with fiber, protein, and a variety of vitamins and minerals, and they can be stored in the freezer for up to six months. The next time you crave lentils, simply reheat them in the microwave or toss them into any dish you're preparing, like a curry. Once thawed, they can boost the fiber content of a grain bowl, salad, or even a soup, providing an extra protein kick. A Red Lentil Soup with Lemon and Dill is an excellent way to enjoy them.
11. Cauliflower
This cruciferous vegetable, related to broccoli, is just as rich in nutrients. A single cup of cauliflower provides 75% of your daily vitamin C needs, along with vitamin K, vitamin B6, folate, and choline. (And it’s loaded with fiber!) Cauliflower is a versatile, mild-tasting veggie that can be pureed and added to a variety of unexpected dishes.
Boost the nutrition of mashed potatoes by blending in some pureed cauliflower, or let cauliflower take center stage in a curried soup.
12. Chia Seeds
Chia seeds are packed with fiber, calcium, and omega-3 fatty acids, but they can lose their nutritional value if left sitting in the pantry for too long. To preserve their benefits, store them in the freezer. The frozen seeds can be easily incorporated into any recipe that calls for chia seeds, such as puddings and smoothies.
13. Edamame
Edamame is rich in both omega-6 and omega-3 fatty acids, as well as being a great source of protein, fiber, and essential nutrients like iron, folate, and phosphorus. You can find them frozen, either in their pods or shelled, making them a convenient and healthy snack.
14. Spinach
Spinach is a powerhouse vegetable, packed with fiber, vitamins A and C, calcium, and iron, just like other leafy greens. Its subtle taste makes it a versatile addition to both savory and sweet dishes. Keep some frozen spinach on hand to add a nutritious boost to your favorite pastas, smoothies, and other meals. You can use it to create a comforting Creamed Spinach Casserole, a simple Slow-Cooker Lasagna, or some zesty Slow-Cooker Enchiladas.
15. Peas
Peas are legumes, much like lentils, and are a great source of nutrients, including fiber, potassium, calcium, and antioxidants. Stocking up on frozen peas gives you endless possibilities for healthy side dishes or main courses. Try them mashed on toast with ricotta and pine nuts, mixed with eggs and bacon in a hearty breakfast casserole, or as a key ingredient in a cozy Shepherd's Pie.
16. Yogurt
Yogurt's probiotics are beneficial for enhancing the microbiome in your gut, which can improve digestion and possibly even boost your immune system. It’s rich in calcium and phosphorus, as well as antioxidants like vitamin A. While store-bought frozen yogurt often contains a lot of sugar, you can freeze your own yogurt. Studies have shown that the live cultures survive freezing for a few weeks, though the texture may change slightly.
To add an extra creamy texture to your smoothies, freeze yogurt in an ice cube tray and then toss the cubes in. You can also use thawed frozen yogurt in baking recipes, such as a delicious Cherry-Vanilla Bundt Cake.
