In one shape or another, pasta has been an Italian staple since the days of ancient Rome. It has been the food of peasants, the pride of royalty and a culinary badge of honour for Italian emigrants all over the world. It's hard to imagine Italy without pasta, yet the history of the country's most famous food has changed with the fortunes of eaters and cooks alike. In 'A Brief History of Pasta', discover the humble origins of fettuccine Alfredo that lie in a back-street trattoria in Rome, how Genovese sauce became a Neapolitan staple and what conveyor belts have to do with serving spaghetti.