Eels are most often sold live, although they are sometimes available as steaks. A live eel is quite something to manage, so ask your fishmonger for advice. There are serious concerns surrounding ...

Whole conger eels are sometimes available from coastal fish markets, but they are mainly cut into steaks and sold fresh or frozen. There are serious concerns about the sustainability of this fish.

And don't worry, you don't need any eels to prepare it. Out of everything you should know about the umami-rich eel sauce, the appearance of the finished condiment is a signal of success.