Around 25 cafés, bistros and fast food outlets, including Swiss beef burgers with a show kitchen, table-service Asian fusion, a designer bar and several Swiss chocolatiers, are in the Airport Center before Security. The Airside Center after Security has about 20 more eateries, including a bar with a view of the Alps, a Swiss beer bar with traditional snacks, and a jazz café, as well as more chocolatiers. There's also a Mediterranean restaurant, a sports bar and several coffee and sandwich chains.
If you're a German speaker and travelling with children, the airport's Treasure Hunt is fun to do and will test your knowledge.
Pick up a guide from the Service Center, or download it from the airport website.