
Cooking frozen roast potatoes in an air fryer is a quick and easy way to make a tasty side dish. Air fryers are incredibly versatile and can be used to cook a variety of foods, from frozen veggies to meats. They are a healthier option compared to deep frying or roasting in the oven as they use less oil. You can cook frozen roast potatoes straight from frozen, saving time and effort. Simply arrange the potatoes in a single layer in the air fryer basket, ensuring they don't overlap too much, and cook at around 200°C for 15-20 minutes, depending on your desired level of crispiness.
How to cook frozen roast potatoes in an air fryer
| Characteristics | Values |
|---|---|
| Temperature | 190°C-204°C (390°F-400°F) |
| Cooking time | 15-25 minutes |
| Preparation | Cut potatoes to an even size, season, and coat with oil |
| Preheat air fryer | Yes, for 5 minutes |
| Shake/flip | Every 5-10 minutes |
| Oil | No need to add oil |
| Seasoning | Smoked paprika, garlic powder, salt, pepper, rosemary, thyme |
| Doneness | Golden brown and crispy |
| Storage | Store in an airtight container in the refrigerator for up to 4-5 days |
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What You'll Learn

Preheat the air fryer
Preheating your air fryer is a crucial step in achieving that coveted golden-brown, crispy exterior on your roast potatoes. While some recipes suggest that preheating is not necessary, doing so can significantly impact the final texture of your potatoes. Here are some detailed instructions on preheating your air fryer for cooking frozen roast potatoes:
Firstly, it is important to note that the preheating temperature may vary depending on the type of air fryer you own. Most sources recommend preheating your air fryer to around 200°C (400°F). However, one source suggests a lower temperature of 190°C for cooking frozen roast potatoes. If your air fryer has a preheat setting, you can use that. Otherwise, manually set your air fryer to the recommended temperature.
Next, you'll want to consider the preheating time. Most sources suggest preheating your air fryer for approximately 5 minutes. This duration should be sufficient to ensure your air fryer reaches the desired temperature and will help you achieve crispier potatoes.
While your air fryer is preheating, you can prepare your frozen roast potatoes. It is important to ensure they are still frozen before placing them in the air fryer. Arrange the potatoes in a single layer in the air fryer basket, avoiding overcrowding. This arrangement ensures proper air circulation and even cooking.
Once your air fryer has preheated to the desired temperature, you can proceed to the next step of cooking your frozen roast potatoes. Simply follow the cooking instructions specific to your air fryer model and the size of your potatoes.
Remember, preheating your air fryer is an important step in the process of cooking frozen roast potatoes. It helps to ensure your potatoes cook evenly and achieve the desired crispy texture and golden-brown colour.
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Arrange potatoes in a single layer
When arranging the potatoes in the air fryer basket, it is important to ensure they are in a single layer. This means that the potatoes should not overlap or crowd the basket, as this can prevent proper air circulation and lead to uneven cooking. You can add the potatoes directly to the air fryer from frozen, without defrosting them first, and ensure they are spread out evenly.
Different air fryers vary in terms of cooking times and temperatures, so it is important to keep an eye on your potatoes as they cook. However, as a general rule, you should aim for a temperature of around 200°C (400°F) and cook for 15-20 minutes. If you like your roast potatoes extra crispy, you may want to cook them for closer to 20 minutes, and you can always return them to the air fryer for a few extra minutes if they need a bit more time.
Before cooking, you may wish to preheat your air fryer to ensure your potatoes cook evenly and achieve that coveted golden-brown colour. Preheat your air fryer basket for 5 minutes at 400°F (200°C), and then add your frozen roast potatoes. You can also add some seasoning to your potatoes before cooking. While frozen roast potatoes often come pre-seasoned, you can add your favourite herbs and spices for extra flavour. A sprinkle of garlic powder, paprika, or dried rosemary can enhance the taste of your potatoes.
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Add oil and seasonings
While frozen roast potatoes often come pre-oiled and pre-seasoned, you can add extra oil and seasonings to enhance the flavour. First, place the frozen potatoes in a large bowl. Then, drizzle olive oil over the potatoes and toss them in the oil, ensuring they are well coated. You can also use extra virgin olive oil or another oil of your choice.
Next, it's time to add your seasonings. You can use a variety of herbs and spices to suit your taste preferences. Some popular options include garlic powder, garlic granules, paprika, smoked paprika, dried rosemary, salt, and pepper. You can also try Italian seasoning, fajita seasoning, shawarma seasoning, or French fry seasoning. If you want to get creative, experiment with different combinations of seasonings to find your perfect flavour profile.
Make sure to toss the potatoes again after adding the seasonings, so that the seasonings are evenly distributed and well-coated on the potatoes. Once you're happy with the coating, you can proceed to the next steps of cooking your delicious roast potatoes in the air fryer.
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Cook for 20 minutes at 400°F (200°C)
Cooking frozen roast potatoes in an air fryer is a simple process. First, arrange the frozen potatoes in a single layer in the air fryer basket, ensuring they don't overlap much to allow for even cooking. Different brands of air fryers cook differently, so it is recommended to preheat your air fryer basket for about 5 minutes at 400°F (200°C) before adding the potatoes for a crispier texture.
Now, let's focus on the cooking time and temperature. Set the air fryer to 400°F (200°C) and cook the potatoes for 20 minutes. During this time, shake the basket or flip the potatoes every 5-10 minutes to ensure even browning on all sides. This step is crucial for achieving the desired crispiness and preventing the potatoes from sticking to the basket.
After 20 minutes at 400°F (200°C), your frozen roast potatoes should be cooked to perfection. They should have a fluffy interior and a golden, crispy exterior. Check for doneness by poking the potatoes with a sharp knife to ensure they are soft and fluffy inside while being crispy and golden brown on the outside. If they need a little more time, return them to the air fryer for a few additional minutes until they reach your desired level of crispiness.
Air fryer frozen roast potatoes are a convenient and tasty side dish that can be served with various main courses. They are healthier than deep-fried or oven-roasted potatoes due to the reduced oil usage, and they save time by cooking straight from frozen.
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Reheat and store leftovers
If you have any leftover roast potatoes, you can store them in an airtight container in the refrigerator for up to 4 to 5 days. It is not recommended to refreeze any food that has already been frozen.
To reheat, place the leftover potatoes in an air fryer that has been preheated to 350°F (177°C) for 3 to 5 minutes or until heated through. You can also reheat them in the air fryer for around 10 minutes.
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