Coast to Coast Food Festival episode 3: Colin Murray and Edith Bowman explore Ballycastle’s famous Ould Lammas Fair and find out how Venezuelan street food made it to Northern Ireland. They discover how to make money go further when it comes to meat, and Colin introduces Edith to Yellowman and dulce. Chef Julie Lin digs deep to reveal some myths about frozen food, and food journalist Leyla Kazim joins fishermen off the Cornish coast in search of sardines.