Jimmy jets off to the USA to find out how those big chunks in American ice cream stay so crispy. Kate investigates a rise in olive oil prices, and discovers a disease wiping out olive trees in southern Italy. And Matt finds out why Bloody Marys are so popular on planes - and why airline food tastes very different at ground level.

Food Unwrapped reveals more secrets about the food we eat. Jimmy Doherty finds out how shredded wheat is made. Matt Tebbutt is surprised to learn that the bad boy of British baking, lard, can actually be a healthier choice than butter. And, in Poland, Dr Helen Lawal learns the trick to concentrating apple juice.