Coast to Coast Food Festival

Colin Murray and Edith Bowman discover tips and treats at the food and music festival in Newcastle. They find out how to create award-winning burgers and reveal the secrets of chips, French-Canadian style. Briony May Williams goes on the trail of the nation's favourite herb, and chef Julie Lin sets sail to find Scotland's most valuable fish. Farmer Meinir Howells investigates the growing popularity of keeping chickens.

Sean Fletcher and Edith Bowman explore the Manchester Food and Drink Festival, meeting passionate producers of chilli sauce, Eritrean curries and Italian biscuits among the stalls. Onkar Singh Purewal discovers how it is possible to grow tea in the Vale of Glamorgan, while farmer Jim Smith gets stuck into some sticky sweets. The differences between dried, tinned, homemade and carton soup are revealed.

Sean Fletcher finds tips and treats among the food producers in Cardiff Market, from making Indian street food to baking vegan cakes. Farmer Jim Smith is near Inverness, discovering the story behind every bag of carrots, and the process of making a healthy South African protein snack is revealed. Food journalist Leyla Kazim investigates our love of the pre-packed sandwich.