
Ahi tuna steaks are a delicious, versatile, and healthy ingredient that can be cooked in an air fryer for a quick, easy, and juicy meal. The air fryer method is simple and produces restaurant-quality tuna with minimal clean-up. It also ensures the tuna is cooked evenly, encapsulating the juices and flavours within the steak. This is a great way to enjoy the luxury of ahi tuna from the comfort of your own home.
| Characteristics | Values |
|---|---|
| Tuna Steak Type | Ahi Tuna |
| Tuna Steak Thickness | 1 1/4″ |
| Tuna Steak Colour | Bright Red |
| Tuna Steak Temperature | Chilled |
| Oil | Olive Oil, Avocado Oil |
| Salt | Coarse Salt |
| Black Pepper | Freshly Cracked Black Peppercorns |
| Marinade | Honey, Ginger, Coconut Aminos (or Soy Sauce), Lemon Juice, Sesame Oil, Everything Bagel Seasoning |
| Marinade Time | 20 minutes to 1 hour |
| Air Fryer Temperature | 380°F to 400°F |
| Air Fryer Time | 2-3 minutes on each side, 4 minutes for medium-rare, 5-6 minutes for well-done |
| Rest Time | 1-2 minutes |
| Serving Suggestion | Salad, Spring Rolls, Pasta, Sushi Rice and Nori |
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What You'll Learn

Marinating the tuna
Firstly, pat the tuna steaks dry with a paper towel and place them in a shallow dish. Prepare the marinade by combining the ingredients in a bowl. A simple yet effective marinade can be made by mixing soy sauce, lemon juice, sesame oil, and everything bagel seasoning. You can also add salt, black pepper, and honey to this mix. Set aside 1/4 cup of the marinade to use as a dipping sauce for later, if desired.
Next, place the tuna steaks in the marinade, ensuring they are fully coated. Cover the dish and place it in the fridge to marinate for 20 minutes to one hour. If you want to prepare the tuna steaks ahead of time, you can even leave them to marinate overnight. Just place them in an airtight container and pop them in the fridge. It is best to start marinating the tuna while it is still frozen to ensure a perfectly cooked medium-rare steak.
Once the tuna has finished marinating, remove it from the marinade and shake off any excess. Place the tuna steaks in a single layer in the air fryer basket and you are ready to begin cooking!
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Preheating the air fryer
Preheating your air fryer is a crucial step in the cooking process. It ensures that your tuna steak develops a nice sear on the outside without overcooking the inside. The ideal temperature for cooking ahi tuna in an air fryer is between 380°F and 400°F (200°C).
Different air fryers may have slightly different preheating mechanisms, so be sure to consult your air fryer's instructions for specific details. However, the general process for preheating your air fryer is as follows:
First, set the temperature to your desired level within the range mentioned above. Most sources recommend preheating to 380°F or 390°F, while one source suggests 400°F. You may need to experiment to find the ideal temperature for your particular air fryer and your desired level of doneness.
After setting the temperature, allow the air fryer to heat up for approximately 5 minutes. This duration may vary slightly depending on your air fryer's model and specifications, so refer to your user manual for precise instructions. During this preheating period, you can prepare the tuna steaks by patting them dry, applying oil, and seasoning them with salt and pepper, or any other seasonings of your choice.
Once the preheating cycle is complete, you can proceed to place the tuna steaks in the air fryer basket and set the timer according to your desired level of doneness. For rare tuna steaks, a shorter cooking time of around 2 minutes per side is recommended. For medium-rare, increase the cooking time to 3-4 minutes in total, checking the color after the first minute to ensure the edges turn grey. Well-done tuna steaks may require up to 8 minutes per side, depending on your preference.
Remember, the cooking time may vary slightly depending on the thickness of your tuna steaks and the unique characteristics of your air fryer, so it's important to monitor the cooking process closely. You can use an instant thermometer to check the internal temperature of the steaks to achieve your desired doneness.
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Cooking the tuna
Firstly, select a good quality tuna steak. Fresh tuna is preferable, but frozen tuna steaks can also be used. If using frozen tuna, it is best to partially or fully thaw the steaks before cooking. Choose a tuna steak that is at least one inch thick, with a pinkish-red colour and a good shine. Avoid tuna that looks dull or grey.
Before cooking, prepare the tuna by patting it dry with a paper towel. You can then season the tuna with salt and pepper or create a marinade for extra flavour. A simple marinade can be made by mixing olive oil, lemon juice, soy sauce, basil, oregano, and garlic powder. For a more complex marinade, add honey or ginger to the mix. It is recommended to marinate the tuna for at least 20 minutes, or up to one hour, in the refrigerator.
Next, preheat your air fryer to between 380°F and 400°F for about 5 minutes. Place the tuna steaks in a single layer in the air fryer basket. Brush the prepared sauce or marinade on both sides of the steak.
The cooking time will depend on your desired level of doneness. For rare tuna steaks, cook for 2-3 minutes on each side. For medium-rare, cook for an additional minute or until the outside is slightly golden and the inside is still pink. Well-done tuna steaks will require a longer cooking time of about 5-6 minutes per side or 8 minutes per side. Use an instant-read thermometer to check the internal temperature, which should be 125°F for medium-rare and 145°F for well-done.
Finally, remove the tuna steaks from the air fryer and let them rest for a minute or two. Slice the tuna thinly and serve immediately. You can finish with a squeeze of lemon or lime juice, and garnish with sesame seeds, sliced green onion, fresh herbs, or creamy sriracha mayonnaise.
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Resting the tuna
During the resting process, the tuna steak will continue to cook slightly, and the internal temperature will rise. This is known as carryover cooking. For a medium-rare steak, the final internal temperature should be around 125°F (52°C). To achieve this, remove the steak from the air fryer when the internal temperature is around 120°F (49°C), as it will continue to cook and reach the desired temperature during the resting process.
It is important to note that the cooking time and temperature settings may vary depending on your air fryer model and the thickness of your tuna steaks. Always refer to the manufacturer's instructions and adjust the cooking time and temperature accordingly. Additionally, use an instant-read thermometer to check the internal temperature of the tuna steaks to ensure they are cooked to your desired doneness.
While the tuna is resting, you can prepare any side dishes or garnishes to serve with your meal. Air-fried vegetables like green beans, asparagus, or carrots make great sides, and a squeeze of lemon or lime juice can add a refreshing touch to your dish. You can also garnish the tuna with sesame seeds, sliced green onions, fresh herbs, or a creamy sauce like sriracha mayonnaise.
Finally, when slicing the tuna, use a sharp knife and cut against the grain to ensure even slices. This will help maintain the texture and presentation of the dish. By following these tips for resting and slicing the tuna, you'll be sure to enjoy a delicious and perfectly cooked ahi tuna steak from your air fryer!
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Serving the tuna
Ahi tuna steaks are versatile and can be served in many ways. You can serve them hot off the fryer as a main course, or you can let them cool and store them in the refrigerator for later. They can be sliced thinly and served on a bed of mixed greens, with a fresh salad, or in ahi tuna tacos. You can also add them to spring rolls, pasta, or sushi rice and nori bowls.
If you have leftovers, you can reheat your tuna steaks in the air fryer by setting it to 380ºF and heating them for 3-5 minutes. It is recommended to consume cooked tuna steaks within 2-3 days of cooking for the best quality and freshness.
When choosing ahi tuna steaks, look for tuna that is firm, deep red, and without a strong fishy smell. Ahi tuna is also known as bigeye tuna and typically has a deeper red colour and a higher fat content than yellowfin tuna. Yellowfin tuna, also known as ahi tuna, is often lighter in colour with a more pronounced yellow stripe.
When preparing ahi tuna steaks for cooking, it is important to pat them dry with a paper towel before placing them in the marinade. This will help the tuna absorb all the flavours. You can also season the steaks with salt and pepper before cooking, or marinate them in a mixture of honey, ginger, coconut aminos (or soy sauce), olive oil, lemon juice, basil, oregano, and garlic powder.
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Frequently asked questions
Marinate the tuna steak in a mixture of honey, ginger, coconut aminos (or soy sauce) in the fridge for 20 minutes to an hour. Preheat the air fryer to 380°F to 400°F for 5 minutes. Place the steaks in a single layer and cook for 2-3 minutes on each side or until it reaches your desired doneness.
Marinate the tuna steaks for at least 20 minutes, but not for longer than an hour. You can also marinate the tuna steaks overnight in the fridge for maximum flavour.
Depending on your desired level of doneness, it should take between 2 to 10 minutes to cook ahi tuna in an air fryer.











































