Food Unwrapped

More fun facts about our food. Why some fruits are hairier than others, the difference between single and double cream, and the science of canned food and why it keeps so long

Kate Quilton finds out if there is any difference between soft and crusty bread rolls, and Andi Oliver reveals why chocolate chips don't melt when baked in cookies. Andi also asks why pre-made sandwiches always seem to have mayonnaise in them, Matt Tebbutt uncovers some of the secrets of ready meals and Briony May Williams discovers the surprising science of how canned food can last so long.

In search of the secret to the bubbles in bubble tea, Kate Quilton visits a cassava farm in Kenya to get to the root of it. Jimmy Doherty is in Somerset exploring why sour milk is sneered at, though soured cream is revered. Plus, Helen Lawal reports from Portugal on canned fish.

Kate Quilton visits a farm in Cornwall to get to the bottom of the 'flower' element in a in cauliflower. Helen Lawal is in Spain to find out what makes lemon juice last so long, while Matt Tebbutt gets the beers in at a Worksop brewery, as he explores what the term 'bottle conditioned' actually means.