Saturday, 04:30

Food Unwrapped

Kate heads to Japan on the trail of tofu, wondering how they turn green soy beans into something so white and creamy. Jimmy is investigating reports that supermarket ready meals have nearly doubled in size since the 1950s. He tracks down the ready meals of his childhood from one of the UK's quirkiest, most remarkable museums. And Matt's in Wales, looking into a new kind of milk, which claims to be easier to digest.