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The two highest scoring chefs from Northern Ireland go head-to-head and cook their six-course menus again. But will they take on board their veteran’s advice as they serve the panel of judges and one of Britain’s best known designers?

The chefs need to impress the formidable judges - food writer Matthew Fort, restaurateur Oliver Peyton and broadcaster and food creative Rachel Khoo – as well as a guest judge Thomas Heatherwick, the legendary designer whose portfolio contains the 2012 Olympic cauldron and the reimagined London Routemaster bus. What will he make of dishes celebrating British science and innovation, including a scallop consommé inspired by Titanic and a planetary dish paying homage to the first female astronomer to be employed by the Royal Observatory in Greenwich?