Sean Fletcher and Edith Bowman visit the National Ploughing Championships in Derbyshire on a food adventure, where they discover the story behind the Bakewell Tart and are let loose on tractors. Food journalist Leyla Kazim is in Norfolk to find out the secrets of producing mustard, and baker Briony-May Williams goes on the trail of Britain's favourite herb, coriander.

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. Baker Briony-May Williams is in North Yorkshire to find which potato makes the perfect chip. Food journalist Leyla Kazim uncovers the truth about smoothies, and joins fishermen off the Cornish coast in search of sardines.