Kaiser's Reblaube
The philosophy of Restaurant Kaiser's Reblaube hits the nail on the head:
Perfection in simplicity: We have set this goal for our work; high-quality raw products in harmonious taste combinations, light and lovingly cooked and presented without frills.
My tip: Business lunch in the Gärtli, one of the most beautiful and quietest corners of Zurich, opposite the church St. Peter.