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AirfryerHQ

Fish

Tuna

The one fish that is worse for being cooked through, and the only fish in this catalogue treated like a steak.

What it does in fast-moving hot air

Tuna muscle is dense, dark and almost fat-free, and its proteins set hard. Cooked through it becomes dry and grainy in a way no amount of care recovers, which is why the published time is four to six minutes for a steak of over a hundred grams — enough to colour the outside and leave the centre rare. The surface browns fast because there is very little surface water to drive off first. Thickness decides everything: a thin steak has no centre left to keep rare by the time the outside has colour, which makes it the wrong cut for this appliance rather than a shorter cook.

Why the cut matters

A tuna steak is cooked to a preference rather than to a finish, in the same way a beef steak is. That makes it the odd one out among the fish here: white fish and salmon both have a right answer, and tuna has a decision.

Cooking pages

  • Tuna steak — Four to six minutes, and it is a decision about doneness rather than a cook.

There is deliberately no cooking time on this page. A food does not have one — a cut, at a thickness, in a state, at a loading, in a particular appliance does. That is what the pages above are for.