Almost halfway through the Bake Off and the remaining bakers are facing pies and tarts. No self-respecting home baker is complete without being able to make all kinds of pastries, and today the bakers are challenged to do just that. Starting with a signature custard tart that gives more than one of them a wobble, the bakers must make sweet custard tarts of their own invention, ranging from 'rhubarb and custard' to 'chocolate and coconut' to a 'tropical Manchester tart' (a tart with tropical flavours made by a Mancunian). Paul sets the bakers mini pear pies; one of the more unusual technical challenges that the Bake Off has seen. The bewildered bakers get in a twist as they attempt to wrap poached pears in a spiral of rough puff pastry, whilst Mel investigates the ancient wedding centrepiece that was the aphrodisiac known as bride pie. Finally the bakers battle their biggest bake yet; three-tied pies. In just four hours they must create a towering collection of pies from any pastry or p