Edith Bowman and Colin Murray explore the Glasgow Foodies' Festival, where they discover the secrets to the best egg fried rice with chef Jimmy Lee and how to spot ‘fake' vanilla. Food journalist Leyla Kazim investigates how many people it takes to make a bag of crisps, and chef Suzie Lee finds a delicious fishy surprise in Lough Neagh. Onkar Singh Purewal discovers how a food stall has provided a lifeline for a Cardiff community.