A pharmacist and a pharmaceutical sales rep must identify the flavors in a variety of radishes and work with "Top Chef" alums Kwame Onuwachi and Shirley Chung.

The kitchen heats up and things start to melt when a dental hygienist turned food blogger cooks against a designer to create two dishes using chocolate with the help of Top Chef alums, Kwame Onwuachi and Dale Talde. Judges Gail Simmons, Gregory Gourdet and Shirley Chung determine who gets the sweet taste of victory.