Judges Graham and Allegra set the latest batch of bakers, Alex, Hafsa, James and Megan, the technical challenge of making a presentation cake in the form of a salted caramel cake. It should have a delicate sponge and the caramel, used for sandwiching the middle and for flavouring the exterior buttercream, must be of exactly the right consistency, or the whole cake could be ruined! For their show-stoppers, the bakers are challenged to create biscuits that represent their love of music. Show less