
Mackerel is a delicious, healthy, and budget-friendly fish that can be cooked in many ways, including air frying. Air-fried mackerel is a quick, easy, and healthy way to enjoy this fabulous oily fish with a bold flavour and a distinct texture. It is also a good source of protein and omega-3 fatty acids, which benefit heart health. The cooking time for air-fried mackerel varies depending on the thickness of the fillets, but it typically takes around 10 minutes to achieve perfectly crispy mackerel without the mess or smell associated with pan-frying.
| Characteristics | Values |
|---|---|
| Cook time | 8-10 minutes |
| Temperature | 180°C (350°F) to 200°C (400°F) |
| Preheat temperature | 190°C/380F |
| Preheat time | 3-5 minutes |
| Reheat time | 5 minutes |
| Reheat temperature | 190°C/380F |
| Skin | Crispy |
| Flesh | Tender, juicy, bold, slightly sweet, and dark-colored |
| Flavor | Strong, salty |
| Nutritional value | High in omega-3 fatty acids, protein, vitamins, and mercury |
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What You'll Learn

Mackerel fillets vs. whole mackerel
Air-frying mackerel is a great way to enjoy this healthy, tasty, and affordable fish without the lingering smell of pan-frying. It's also a healthier alternative to deep-frying and easier than grilling, with minimal prep and cleanup required.
When it comes to choosing between mackerel fillets and whole mackerel, there are a few things to consider. Firstly, mackerel fillets will have fewer bones than the whole fish, making them easier to eat. If you do opt for the whole fish, you can remove and discard any fins and scales, and the bones can be taken out before serving by gently rubbing off the skin.
Mackerel fillets are also quicker to cook than whole mackerel. At a temperature of 200C/400F, mackerel fillets will take around 8-10 minutes to cook, whereas whole mackerel will take 12-15 minutes. The timing will depend on the size and thickness of the fish, and whether it is fresh or frozen. Frozen mackerel will need additional time, around 4-6 minutes extra.
In terms of preparation, mackerel fillets are also more convenient as they require less time to marinate. A simple marinade of salt, pepper, and garlic powder will do, but you can also get creative with spices and herbs if you wish. For the whole fish, you can rub it with sake or rice wine to remove any strong fishy odours before marinating.
Overall, mackerel fillets are a great option if you're short on time or prefer a boneless, quicker-cooking option. However, if you don't mind the extra preparation and cooking time, whole mackerel can be a delicious and impressive dish, perfect for a special occasion.
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Air fryer temperature and timing
The temperature and timing for cooking mackerel in an air fryer depend on the thickness of the fillets and whether the fish is fresh or frozen.
If you are cooking fresh mackerel fillets, preheat your air fryer to 180°C (350°F) or 400°F. The cooking time will be around 5-6 minutes at 350°F, and 8-10 minutes at 400°F. It is recommended to cook the mackerel fillets skin side down for the first few minutes, and then flip them over to cook the other side for a few more minutes. The fish is fully cooked when the thickest part is firm and juicy, and the flesh is white and opaque.
If you are cooking frozen mackerel fillets, you may need to increase the cooking time by a few minutes. It is also important to note that the exact cooking time will depend on your air fryer and the size and thickness of the mackerel fillets.
To reheat leftover mackerel in the air fryer, set the temperature to 190°C/380°F and cook for about 5 minutes or until heated through.
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Marinating and seasoning mackerel
Mackerel is a strongly flavoured fish that can hold its own against much stronger flavourings, so you can be adventurous with spices and herbs. For example, you could use Asian spices, or a marinade of soy sauce, minced ginger and garlic, ground turmeric, five-spice powder, pepper and red pepper flakes.
If you want to remove any overly strong fishy odour, you can rub the mackerel fillets with sake or rice wine and leave them for 4-5 minutes before patting them dry. You can then add your chosen marinade.
For a simple seasoning, just add salt and pepper to both sides of the mackerel fillets. If you want to get a bit more complex, you can dry-fry fennel, cumin and coriander seeds in a frying pan over a medium heat for about a minute, then grind them to a coarse powder in a pestle and mortar. Mix the ground seeds with the other ingredients for the marinade, and then place the mackerel fillets flesh-side up on a plate and cover with the marinade. Leave for around 10 minutes.
If you want to cook your mackerel in an air fryer, it should take around 8-10 minutes in a pre-heated air fryer, depending on the power of your air fryer and the thickness of the fillets.
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$34.27 $37.97

How to serve air-fried mackerel
Air-fried mackerel is a quick, easy, and healthy meal that can be served hot or cold. It is a fabulous oily fish with perfectly cooked skin and beautifully tender flesh.
To cook mackerel in an air fryer, first, prep the fillets by drying them and removing any bones with tweezers or a sharp knife. Then, season the mackerel with salt and pepper on both sides. You can also add extra spices and herbs to the fish, as mackerel has a strong flavour and can hold up to stronger flavourings. Next, cook the mackerel in the air fryer at 400°F for 10 minutes, flipping halfway through. Alternatively, you can cook the mackerel for 8 minutes without flipping, but it is recommended to cook it skin-side up to get a great cook on the mackerel skin.
Now, for the serving suggestions. You can serve air-fried mackerel with a wedge of lime or lemon on the side, which goes well with steamed rice and a side vegetable dish or a small bowl of soup. You can also sprinkle chopped cilantro over the flesh side of the mackerel fillets for added flavour. If you're feeling adventurous, try pairing the air-fried mackerel with spicy cold tofu, kimchi, natto, a bowl of rice, and some veggie miso soup, just like they do in Japan.
For a simple and quick dish, serve the mackerel fillets with air-fried baby potatoes, baby spinach, and a tomato and red onion salad. A couple of slices of lemon and some tartare sauce complete this dish. If you're looking for something more substantial, why not try a mackerel bap? Simply add a whole mackerel fillet to a bread roll with some salad leaves and tartare sauce, and enjoy!
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Storing and reheating mackerel
Mackerel is a delicate fish that can spoil quickly if not handled correctly. To store cooked mackerel, let it cool to room temperature and then place it in an airtight container or wrap it tightly in plastic wrap before putting it in the refrigerator. It is recommended to consume leftover mackerel within 1-2 days of cooking for optimal freshness, although it can be safely stored for up to 3-4 days.
You can freeze cooked mackerel to extend its shelf life. To do this, wrap it tightly in plastic wrap or place it in an airtight container or freezer bag before freezing. Frozen mackerel can be stored for up to 3 months.
When you are ready to reheat your mackerel, there are several methods you can use, including the oven, stovetop, or microwave. Reheating smoked mackerel in the air fryer is not a method that has been tested and therefore not recommended. Here are some tips for each method:
Oven: Preheat your oven to 350°F (175°C). Wrap the mackerel loosely in tinfoil to prevent moisture loss. Place the wrapped mackerel on a baking sheet and heat for about 5-7 minutes, or until it reaches your desired temperature.
Stovetop: Heat a skillet on medium heat and add a small amount of oil or butter. Place the mackerel in the skillet and cook for 2-3 minutes on each side, or until warmed through.
Microwave: Place the mackerel on a microwave-safe plate and cover it with a microwave-safe lid or plastic wrap. Microwave on high for 1-2 minutes, or until heated through.
Regardless of the method you choose, it is important to reheat the mackerel gently to avoid overcooking and drying it out. Use low to medium heat and add moisture if needed. Check the internal temperature of the fish with a food thermometer to ensure it has reached at least 165°F (74°C) before consuming.
It is recommended to only reheat mackerel once, as repeated reheating can cause the fish to become dry and lose its flavor and nutrients.
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Frequently asked questions
It takes 8-10 minutes to cook mackerel in an air fryer. The time may vary depending on the thickness of the fillets and whether the fish is fresh or frozen.
The air fryer should be preheated to 400 degrees Fahrenheit (200°C) for 3-5 minutes. The mackerel should be cooked at this temperature for 8-10 minutes.
The mackerel is fully cooked when the thickest part of the fish is firm and juicy, and the flesh looks white and opaque. The internal temperature should reach 145 degrees Fahrenheit (63 degrees Celsius).











































