Take a chunk of raw fish. Wrap it in rice. Slap on a bit of soy sauce and you've got yourself some sushi. At least that's the attitude high street chains seem to take to the classic dish. With the Greenwich Pantry, you'll never have to eat a sub-par sashimi again. Taking you through all the stages in the proper preparation of the dish, you'll be a wizened master at rolling and wrapping rice and raw fish in no time.