How do I cook fish without it falling apart?

Dry surface, hot pan, and leaving it alone — plus the moment fish is actually cooked.

Difficulty: beginner
Time: 25 min
Read: 3 min

Short answer

Dry the fish thoroughly, use a properly hot pan, and do not move it until it releases on its own. Fish breaks up because it is turned too early and cooked too long.

Fish has very little connective tissue, so it goes from perfectly set to falling apart in under a minute.

Step by step

Dry the surface thoroughly.Kitchen paper on both sides, pressing firmly. Wet fish steams instead of searing, and steamed fish sticks and tears.
Get the pan properly hot.Oil shimmering before the fish goes in. A moderate pan lets the protein bond to the metal rather than searing and releasing.
Lay it away from you skin side down.Skin down first for most fillets. It protects the flesh and crisps, and it holds the fillet together.
Press it flat for the first few seconds.A fish slice held gently on the fillet stops it curling as the skin contracts.
Do not move it.The single most important rule. Fish releases from the pan when it has seared. Trying to turn it before that tears the flesh and leaves half of it stuck.
Turn once, near the end.Most of the cooking is done on the first side. The second side needs only a minute or less.
Judge doneness by flake and colour.The flesh turns opaque and the flakes separate under gentle pressure. Aim to take it off while the very centre is just translucent — it carries on cooking.
Use a fish slice, not tongs.Tongs concentrate pressure in one place and break the fillet. A wide thin slice supports the whole thing.
Choose the right method for the fish.Firm fish such as cod loin, monkfish and salmon pan-fry well. Delicate fish such as plaice and sole are better poached, steamed or baked in paper.
Let it rest briefly.A minute off the heat. It firms slightly and is easier to lift and serve intact.

Tips

Do not move it. Fish releases itself from the pan when it is ready to turn.
Take it off while the very centre is just translucent — it finishes cooking off the heat.
A wide fish slice, never tongs.

Common mistakes

Trying to turn the fish too early — Protein bonds to the pan until it has seared, then releases. Forcing it before that point tears the fillet and leaves the skin behind.
Cooking fish until it is opaque all the way through — It continues cooking after it leaves the pan, so fish that looks perfectly done in the pan is dry on the plate. Pull it slightly early.

If it doesn't work

Fish stuck to the pan

Cause: Pan not hot enough, or moved too early — Fix: Wait — it usually releases as the sear completes. Get the pan properly hot next time.

Fillet fell apart when turned

Cause: Overcooked, or turned with tongs — Fix: Use a wide slice and turn only once, near the end.

Skin not crisp

Cause: Wet skin or a cool pan — Fix: Dry thoroughly, score the skin lightly, and use a hot pan with the fish skin down.

Fish dry

Cause: Overcooked — Fix: Take it off while the centre is just translucent and let carryover finish it.

Fillet curled up

Cause: Skin contracting faster than the flesh — Fix: Press it flat for the first few seconds, and score the skin lightly.

Questions people ask

How do I know when fish is cooked?

The flesh turns opaque and separates into flakes under gentle pressure. Take it off while the very centre is still slightly translucent, since it keeps cooking off the heat.

Why does my fish always stick?

Usually a wet surface or a pan that is not hot enough. Both prevent a proper sear, and fish only releases from the pan once it has seared.