Alexis Conran steps behind the scenes at a brand of KFC, as he looks to uncover the secrets behind the famous breadcrumb coating that gives KFC's chicken its distinctive taste. Later, Alexis is given access to a top London Thai restaurant to learn the secrets to making a perfect, authentic tom yum soup, before joining resident food scientist Dr Chris to help him try to crack the ingredients as he seeks to re-create a well-liked Domino's dish.