Cod

Use the same weight. Slightly stronger flavour and firmer; cook 1–2 minutes less.

Use the same weight. Softer, so handle gently and cook 1–2 minutes less.

Use the same weight. Check thickness; cook until just flaking.

Use the same weight. Cube and simmer for 5–8 minutes; it will not flake, so add it later.

Use the same weight. Parboil or fry first and allow 10 minutes extra; it breaks up more than fish.

Use the same weight in florets. Simmer for 8–10 minutes; add a little extra oil for richness.