Jo, Judi Love, Carol Vorderman and Iain Stirling dunk themselves into Biscuit Week. Which bakers got stuck into the marshmallow Signature, and who made a meal out of the illusion Showstopper?

 Jo Brand melts into Chocolate Week with Paul Hollywood, Yinka Bokinni and James Buckley. Which baker's choccy box gifted them a place in the next round?