Food Unwrapped

In Italy, Jimmy looks into why Parmesan costs up to twice as much as supermarket Cheddar. Kate's been puzzling over paprika and travels to Hungary and Spain to find out exactly where it comes from. And Matt looks at hard-boiled eggs - it can be fiddly enough getting the shell off in the comfort of your own kitchen, so how do the big players manage it now that hard-boiled eggs are popping up everywhere in supermarkets?