Dawn Burrell

The eight remaining chefs split into teams and are tasked with creating a Chef's Table restaurant concept, where they must serve a seven-course, high-end tasting menu to the judges and all-star panel.

In teams of two, the chefs each take a turn entering the box where they blindly taste a dish created by guest judge Gabriel Rucker and then must try to recreate it.

The pressure is laid on the chefs in the Quickfire Challenge as they are tasked to make a layered dessert; Gregory and Kwame take the chefs on a tour of restaurants that feature food from the African diaspora.

The final four chefs near the end of their journey in Portland, Padma; popular chef and special guest Massimo Bottura has the chefs pull inspiration from his famous parmigiano reggiano dish.

Ed Lee enters the kitchen and tells the chefs they will be competing tournament style. The chefs duke it out at the Portland Japanese Gardens, where they must create dishes featuring various textures of tofu.

Fifteen of the country's best chefs compete in Portland, Oregon. For their first challenge, chefs combine their favourite ingredients into one cohesive dish. Contestants must also create a dish featuring one of Portland's iconic local birds.