Alex continues her mission with Potli, an Indian market restaurant in London's Hammersmith, whose owners are desperate to find a head chef to help realise their ambition of expanding a restaurant chain. Yesterday another successful candidate was selected. Here, the last three candidates are put through the gruelling hands-on interview process.The tandoor skill test puts chefs immediately under pressure to produce an authentic tandoori chicken. Can Bindi's infectious enthusiasm and years of home cooking fit into a professional kitchen or will her lack or restaurant know-how be her undoing?Mark is the most experienced candidate but has no professional experience of cooking Indian food - however, maybe his maverick fusion approach could be just what they need. And when it comes to costs, who will be bang on the money?There's only one place left in tomorrow's final and the pressure is on.