
Air fryers are a quick, easy, and healthy way to cook vegetables. They can cook vegetables in half the time it takes to roast them in an oven. The air fryer's ability to circulate hot air around the food mimics the effects of deep frying without the need for excessive amounts of oil. The time it takes to cook vegetables in an air fryer depends on the type of vegetable and the desired texture. For example, tender vegetables like asparagus, zucchini, and peppers cook faster than tougher root vegetables like beets or sweet potatoes. Frozen vegetables may also take longer to cook and may need to be cooked for up to 20 minutes. On average, vegetables are cooked in an air fryer within 10 to 15 minutes at a temperature of around 350-400°F (180-200°C).
Cooking Vegetables in an Air Fryer
| Characteristics | Values |
|---|---|
| Temperature | 360°F - 400°F (180°C - 204°C) |
| Cook Time | 7 - 20 minutes |
| Preparation Time | 2 minutes |
| Preheat Time | 5 minutes |
| Vegetables | Broccoli, Brussels sprouts, Carrots, Cauliflower, Green Beans, Potatoes, Squash, Sweet Potatoes, Zucchini, etc. |
| Oil | Olive oil, Avocado oil, Sesame oil, etc. |
| Seasoning | Salt, Pepper, Garlic powder, Italian seasoning, Paprika, etc. |
| Cheese | Parmesan, Vegan Parmesan |
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What You'll Learn

Air-frying frozen vegetables
Air fryers are a great way to cook frozen vegetables, and it's super easy to do. You can use pretty much any frozen vegetable, from cauliflower to Brussels sprouts, and even zucchini. The best part? You don't need to thaw the vegetables first, which means no cutting or dicing, and your prep time is minimal.
To get started, preheat your air fryer to between 350-390°F (180-200°C). Some air fryers don't have a preheat function, so you may need to increase the cooking time by a couple of minutes to account for the lower temperature when you start frying. Spray your air fryer basket with olive oil or use an olive oil spray to coat the basket and the tops of the vegetables. You can also add a tablespoon of water to the basket to add moisture and prevent burning. Then, add your frozen vegetables.
For seasoning, you can keep it simple with salt, black pepper, garlic powder, and onion powder. You can also add Parmesan cheese, but this is optional. Give the basket a shake to mix everything around.
Now, you're ready to air fry! For smaller vegetables, start with 5 minutes at 400°F (200°C), shake the basket, and then cook for another 3-5 minutes. For larger vegetables, like whole Brussels sprouts, you may need to increase the cooking time to about 15-20 minutes in total. Check on your vegetables regularly, especially towards the end, to make sure they don't burn.
Once they're cooked to your liking, serve them immediately. Air-fried frozen vegetables don't reheat well, so it's best to enjoy them fresh out of the fryer!
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Oil and seasoning
Oil is an essential component of air-frying vegetables, as it helps them brown and soften. Without oil, the vegetables would burn. However, significantly less oil is required for air frying than for deep frying or pan frying. Extra-virgin olive oil is a popular choice, as it helps to achieve the desired level of browning and softening. Other options include avocado oil, sesame oil, and neutral-flavoured cooking oils. Oils can be applied by tossing, brushing, or spraying the vegetables.
When it comes to seasoning, there are numerous options to enhance the flavour of air-fried vegetables. Salt and pepper are fundamental seasonings that can be used alone or in combination with other spices. Garlic powder is a popular choice, adding a savoury, umami flavour. Italian seasoning, made with dried herbs, is another delicious option. Additionally, spices such as paprika, chilli flakes, and onion powder can be used to create a customised blend. Parmesan cheese, either freshly grated or vegan, can also be added before or after cooking for an extra burst of flavour.
For those who enjoy a tangy twist, a squeeze of fresh lemon juice can be drizzled over the vegetables after cooking. Fresh parsley can also be used as a final touch. Some people like to add butter or a creamy salad dressing to their vegetables for a more indulgent treat.
When preparing potato or sweet potato fries, it is recommended to soak them in water for about 30 minutes before cooking to remove excess starch. This helps to achieve a crispier texture. After soaking, the potatoes should be dried thoroughly with paper towels before being tossed with oil and seasonings.
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Vegetables to avoid
While most vegetables can be cooked in an air fryer, there are some that are best avoided.
Firstly, it is recommended to avoid tough root vegetables such as beets and sweet potatoes. These vegetables require a longer cooking time, which may not align with the typical cooking time for other vegetables in an air fryer. For example, tender vegetables like zucchini, bell peppers, and asparagus cook much faster than root vegetables.
Additionally, when cooking with an air fryer, it is essential to cut vegetables into small, evenly sized pieces to ensure even cooking. Vegetables that are challenging to cut into small pieces, such as large potatoes or other starchy root vegetables, may not be ideal for air frying.
Furthermore, while frozen vegetables are generally suitable for air frying, it is important to avoid overcrowding the air fryer basket. Vegetables that are frozen in large chunks or clumps may not cook evenly and could lead to sogginess. To avoid this, choose frozen vegetables that are individually quick-frozen (IQF) or ensure that the vegetables are not sitting in water while roasting.
Lastly, while not a specific vegetable, it is worth noting that some recipes and vegetables may require a small amount of oil to prevent burning and promote even browning. Vegetables with thin skins, such as bell peppers, are especially prone to burning without a light coating of oil. However, the amount of oil used in an air fryer is significantly less than in traditional frying methods.
In summary, while air fryers are versatile and suitable for most vegetables, it is best to avoid certain types that require longer cooking times, are challenging to cut into small pieces, or may crowd the air fryer basket. With a few adjustments and the right cooking techniques, you can enjoy a wide variety of delicious and healthy air-fried vegetables.
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Vegetables to cook in batches
Air fryers are a great way to cook vegetables quickly and healthily. They are versatile and can cook a wide range of vegetables to crispy perfection. However, it is important to note that air fryers are not ideal for large batch cooking. To ensure even cooking, vegetables should be arranged in a single layer in the air fryer basket. Overcrowding the basket will cause the vegetables to steam instead of browning. Therefore, it is recommended to cook vegetables in batches.
When cooking vegetables in batches, it is essential to preheat the air fryer. Most recipes recommend preheating the air fryer to around 360°F (180°C). While the air fryer is heating up, prepare the vegetables by chopping them into small, even pieces. For potatoes or sweet potatoes, it is recommended to soak them in water for about 30 minutes to remove excess starch before patting them dry and tossing them with oil. For other vegetables, simply toss them with a light coating of oil and season with salt and pepper, or other spices of your choice.
Once the air fryer is preheated, arrange the first batch of vegetables in a single layer in the basket. Depending on the vegetable, the cooking time will vary. Tender vegetables, such as zucchini and peppers, will cook faster than firmer vegetables like carrots and broccoli. As a general guideline, cook the vegetables at 375°F for 10 to 15 minutes, tossing halfway through, until they are tender and browned. For frozen vegetables, the cooking time may be slightly longer, around 15 to 20 minutes.
After the first batch is done, remove the vegetables from the air fryer and repeat the process with the remaining vegetables. You can keep the cooked vegetables warm in the oven or serve them immediately with your favourite dipping sauce. Air-fried vegetables are a delicious and healthy side dish that can be paired with lean protein and fibre-filled carbohydrates for a balanced meal.
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Vegetables to cook for longer
The cooking time for vegetables in an air fryer varies depending on the type of vegetable and the desired texture. Some vegetables, such as zucchini, squash, mushrooms, and asparagus, cook relatively quickly and are ready in about 10 minutes. On the other hand, larger or denser vegetables like whole Brussels sprouts, potatoes, and sweet potatoes may require a longer cooking time, up to 20 minutes or more.
When cooking vegetables that require a longer cooking time, it is important to cut them into evenly sized pieces to ensure even cooking. For example, when making potato or sweet potato fries, it is recommended to soak them in water for about 30 minutes to remove excess starch, which will result in crispier fries. Then, pat them dry and toss them with oil before placing them in the air fryer.
Additionally, it is crucial to avoid overcrowding the air fryer basket to ensure proper browning and crisping. Depending on the size of your air fryer, you may need to cook the vegetables in batches. It is also a good idea to toss or stir the vegetables halfway through the cooking process to ensure even cooking and browning.
Some specific examples of vegetables that may require a longer cooking time include:
- Potatoes: Cut into fries or wedges, soaked, and patted dry, then cooked at 360°F for 15-20 minutes.
- Sweet potatoes: Cut into fries or wedges, soaked, and patted dry, then cooked at 360°F for 15-20 minutes.
- Whole Brussels sprouts: May take up to 20 minutes or more. Cutting them in half can reduce the cooking time.
- Carrots: Cut into evenly sized pieces and cooked at 360°F for 15-20 minutes.
- Cauliflower: Fresh cauliflower may take longer to cook than frozen. For fresh, blanch in boiling water before air frying.
- Green beans: Depending on the desired texture, these can be cooked for 7-8 minutes at 400°F or 400°F for a crispier texture.
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Frequently asked questions
This depends on the type of vegetable and how crispy you want it to be. Most vegetables will take between 7 and 20 minutes at temperatures between 350°F and 400°F.
It is recommended to set your air fryer to between 350°F and 400°F when cooking vegetables. However, some recipes suggest cooking at 360°F or 375°F.
You can cook a wide variety of vegetables in an air fryer, including broccoli, Brussels sprouts, carrots, cauliflower, green beans, potatoes, squash, and zucchini.
Chop the vegetables into small, even pieces. Toss them with oil, salt, and pepper, and any other desired seasonings. If you are cooking potato or sweet potato fries, soak them in water for about 30 minutes before patting them dry and adding oil.
Yes, you can cook frozen vegetables in an air fryer. Frozen vegetables may take slightly longer to cook, around 15 to 20 minutes. You do not need to thaw them before cooking.











































