The restaurant Einstein Bistro in St. Gallen is the bistro of the Einstein hotel that has also a gastronomic restaurant called the Einstein Gourmet.
Tibits is a Swiss chain of vegetarian restaurants that have been created by the Frei brothers and that has restaurants in many Swiss towns. In St.Gallen, the Tibits restaurant is located right next to the main train station.
The Schloss Wartegg is a hotel restaurant set in the middle of a park in Rorschacherberg, a small village right next to Rorschach in the southern shore of Lake Constance. This restaurant offers local gastronomic cuisine recognized by Swiss gastronomic guides.