10 bakers remain and it's time for biscuit week. But will mastering a classic biscuit see some bakers fall short? Then, Peter sets this week's technical bake.

Bakers are required to baked or set cheesecakes in 2 hours. A mystery technical bake stuns even the best of bakers. A 5-layered free-standing Truffle Terrine is expected to be completed in 4 and half hours.