Fish curry!
Season the fish with a pinch of turmeric, chilli powder, and salt and set aside while you make the curry. Add the fish only at the very end when the curry is completely done, cook for a few minutes (flip once if you can manage, otherwise just submerge it) till just done. Best with rice.
Try one of these — her recipes are generally reliable. (You can sub coconut milk for grated or dried coconut anywhere, and feel feee to cut back chilli and simplify anything else too, it generally works out even with half the stuff 
— I made the third one here).
https://maunikagowardhan.co.uk/cook-in-a-curry/maharashtrian-bangdyache-ambat-kalwan/
https://maunikagowardhan.co.uk/cook-in-a-curry/goan-prawn-ambotik/
