Since 1969, Red Robin Gourmet Burgers has been operating as a fast-food restaurant specializing in gourmet burgers. It has more than 450 restaurants across the United States and Canada. The restaurant s menu features a variety of items, including signature chicken sandwiches as well as salads, entrees and signature bottomless beverages. It also serves turkey burgers, fish sandwiches, Gardenburger and vegan Boca Burgers. Red Robin is named the Best Burger in the full-service category of the national Zagat Fast-Food Survey.