Add the coconut milk, chopped tomatoes and a pinch of salt and pepper. Bring the sauce to the boil, then simmer for a few minutes, until thickened. If cooking to eat now, add your chosen ...
Cook the fish for 3–4 minutes on each side, then transfer to the pan with the sauce and cook for a further 2–3 minutes, or until just cooked, adding extra water or coconut milk if needed.