Watch MasterChef Season 11 Episode 17 Online

It's the first of the semi-finals, and tonight the eight best cooks come together to battle in a team challenge, the relay invention test. Split into two teams of four, both groups must create one dish between them, using the humble chicken, as well as a range of vegetables, herbs and spices. Each team member has just 20 minutes to make their contribution to the dish, and they must do so without communicating with one another.