In the first quarter-final, the four heat winners are faced with a mystery dish of Thai soup - which of these four recognise all the main ingredients? Can anyone detect the lemongrass?

With only two semi-final places up for grabs, the competition gets serious as they go all out to dazzle presenters John Torode and Nadia Sawalha with their two-course menus. Torn between top dishes including salmon sushi, fishcakes and Eton mess, it's a really tough decision as to who goes through. Show less