Clockwise order from top left:
- Rav, 28, claims to be "adventurous and experimental" and likes to use unusual ingredients. He is especially inspired by far eastern cuisine and enjoys vegan baking. The 28-year-old works supporting students at City University in London.
- Kate, 37, is a nurse on an acute respiratory ward. Her passion for baking began as a child and she says she enjoys using the seasonal fruit she gathers with her children on her parents' farm in Norfolk.
- By day, Andrew, 25, works as an aerospace engineer designing jet engines for Rolls-Royce. He lives with friends in Derby and, in his spare time, tries to apply his engineering mentality to push the boundaries of baking.
- Cardiff hairdresser Louise, 46, really got into baking when making cakes for charity bake sales at work. She enjoys creating elaborate cake designs and experimenting with different flours and flavours in bread.