The technical challenge is one of Mary's classic recipes, 12 mini fruit tarts, and there's a demanding showstopper challenge - a tiered chocolate cake inspired by a memorable occasion. The first challenge they are set is enormous for these baking novices: they have to make a giant cookie or biscuit. They must take on three challenges set by Mary and Paul. The first brave celebrities to enter the Bake Off Tent are four of the most iconic figures in British entertainment - Joanna Lumley, Jennifer Saunders, Lulu, and Dame Edna Everage - who has come out retirement especially for Comic Relief. Sue Perkins presents the opening episode. In each episode four different celebrities battle it out in the Bake Off tent in an attempt to raise money for Comic Relief - and to win the coveted Comic Relief Star Baker apron. The Great British Bake Off returns with four special Comic Relief programmes.
