Food Unwrapped

Jimmy Doherty investigates craft beer, meeting a couple who gave up jobs in the NHS to pursue their dream lifestyle of brewing and selling ale. Kate Quilton goes in search of the perfect tomato and finds herself in the middle of the world's biggest food fight at a festival in Valencia, while Matt Tebbutt examines why tinned anchovies taste salty when fresh ones don't, visiting a processing plant to find out.