Line Cook Functions & Responsibilities. The role of a Prep Cook/Line Cook at the Tabachines Cocina is extremely important to our success. We hope to usher in a new era of upscale Mexican Cuisine for Fresno. Our team will be bringing an experience of dining that sets the standard today and will continue to define them in the future. Qualities of a Good Line Cook. Efficiency and Speed. Organization and Focus. High Level of Attention and Awareness. ...