My Magimix food processor is older than I am. I'd wager it looks it, too: it has the unmistakeably retro hue of something born of the Seventies, and it's been in the same kitchen as I have for as long ...

Whether for slicing, dicing, mixing or mashing, which kitchen essential wins the great gadget debate? We asked some of our favourite cooks for their verdict The best kitchen knives for every job – ...