Arriving alongside Anushka, Tati, Christina and Simon, the group are greeted by the judges and special guest chef Yotam Ottolenghi, who says he has been impressed by their ambition and depth of knowledge. Matt explains today's challenge will take place over two rounds, and those two rounds are focussed on the humble deli.Arriving alongside Anushka, Tati, Christina and Simon, the group are greeted by the judges and special guest chef Yotam Ottolenghi, who says he has been impressed by their ambition and depth of knowledge. Matt explains today's challenge will take place over two rounds, and those two rounds are focussed on the humble deli.