Some of the most memorable chefs from past series return to compete in two festive-themed specials, in a year when the hospitality industry has faced the most critical time in its history. Returning to cook for judges Monica Galetti, Marcus Wareing and Gregg Wallace are 2014 finalist Danny Parker, 2017 finalist Louisa Ellis, 2009 finalist Marianne Lumb and 2018 semi-finalist William Chilila. They are first set a skills test by Monica to prepare some festive canapés.