Food Unwrapped Does Baking

Kate Quilton heads to the world's biggest bread factory, finding out why some loaves fall to pieces at first contact with a knife, while others can happily survive a good spreading. Jimmy Doherty is in Turkey, investigating the intoxicating properties of the poppy seeds in bagels, while Matt Tebbutt sets out to find the secrets behind the writing on some cakes - is it the work of man or machine?