Straw-colored Strasbourg onions, red onions, white onions, rosé onions from Roscoff, Vidalia onions, new onions and milder-flavoured onions that impart a more discreet note to a dish… Large Spanish onions as wide as a saucer… No matter what the variety, the onion has ingratiated itself into the cooking of every country. Onions were even found carved on the tomb of Tutankhamen.