Food Unwrapped

Jimmy Doherty heads on the trail of an elusive fruit - the fresh date, visiting a vast water purification plant in Israel where the raw sewage of Tel Aviv is harnessed to turn barren desert into fertile farmland. Kate Quilton flies to California to investigate why almond butter is more expensive than other nutty spreads, where she discovers a combination of extreme weather and global economics have affected the price of almonds. Matt Tebbutt makes a surprising discovery about the true origins of haggis.