Fish Head Curry

Is there any use for oily fish trimmings? Yes, with this Thai-inspired recipe for salmon heads. For a few months after taking a Thai cooking course in Bangkok, I faithfully pounded my own curry pastes, but now I admit to buying them ready-made: not totally authentic, but neither is this dish. Buy two good-sized salmon heads, so you have half a head per person, and have the fishmonger split them in half and remove the gills. There are no real bones but lots of cartilage, so pay attention whe