Benjamin Bullock

The contestants participate in a relay challenge after they are split into teams of four. Challengers each have 15 minutes to cook, and just 45 seconds to pass their dish on to their team-mate.

The top 24 face their first mystery box challenge. The bottom four cook off in an elimination challenge, resulting in one contestant being sent home.

An immunity challenge leads to a choice between healthy and indulgent ingredients for a final battle against a professional chef.

A mystery box challenge with a selection of special ingredients, giving competitors the chance to gain an advantage in the invention test.

An elimination pressure test to recreate a cake recipe by Andy Bowdy will farewell another contestant.

Eliminated contestants are given a second chance to get back into the competition. Only one of the 12 can secure their way back into the MasterChef kitchen.