Overview:The toughest bake off on television welcomes five new teams who, over the next three heats, battle it out for the last two semi-final places. The first challenge requires the teams to finely craft two batches of perfectly uniform miniatures - 36 fraisiers and 36 verrines - in just two and a half hours. For the final challenge, the teams are required to reinvent the pavlova, the iconic dish inspired by a legendary ballerina.