Liam Charles and Tom Allen welcome six new teams, and challenge them to prepare 24 perfectly uniform miniature classics - tarte chiboust vallée d'Auge and rice puddings. In the second round, they put their own spin on Florida's famous key lime pie, which must be decorated with towering edible sculptures. Benoit Blin and Cherish Finden assess the results and decide who will be going on to the next round