"Seven Deadly Sins" theme. Contestants struggled to produce stand-out dishes from a simple Mystery Box, with the two women left in the competition emerging as the strongest performers. Claire was declared the winner and won two big advantages: the power to skip the Invention Test, which would only have a Bottom 3, and the chance to face off in the Celebrity Chef Challenge. The Invention Test was based around the "seven deadly sins," with each contestant creating a dish based on one of the sins.