BBC Radio 4
Investigating every aspect of the food we eat
Sheila Dillon digs up the remarkable story of how potatoes changed the world, offer a whole spectrum of flavour, and might shape our food future. With Sheila are cook and food writer Anna Jones, Charles C. Mann - author of '1493 - How Europe's Discovery of the Americas Revolutionized Trade, Ecology and Life on Earth', and the potato revolutionary and agronomist Alan Wilson. Presenter: Sheila Dillon Producer: Rich Ward.