tonWERK – Steakhouse & Restaurant in Regensdorf near Zurich
Sashi Beef from Finland, selected premium steaks, fish and seafood at Boutiquehotel Thessoni Classic Zurich. tonWERK combines exceptional meat, selected seafood and a distinctive dining atmosphere near Zurich.
Premium Steaks & Seafood at tonWERK
At tonWERK, premium meat and seafood meet careful preparation, selected wines and an atmosphere for business dinners, date nights and special evenings. A highlight of our menu is Sashi Beef from Finland, known for its distinctive marbling, tenderness and rich flavour.
Sashi Beef from Finland
Beautifully marbled premium beef from Finland, from fillet and entrecôte to New York Strip and Whiskey Stroganoff.
Premium Steaks & Seafood
Selected cuts, fish and seafood for a memorable evening at our restaurant near Zurich.
Restaurant in Regensdorf
Quietly located and easy to reach from Zurich North, the Limmat Valley and Zurich Airport.
Sashi Beef – marbling you can taste.
Sashi Beef from Finland is known for its distinctive intramuscular marbling. The finely distributed fat gives the meat its juiciness, tenderness and rich flavour.
At tonWERK, you can explore Sashi Beef through a selection of cuts and dishes.
Sashi Fillet
150 g for CHF 59.–, additional 50 g for CHF 15.–.
Sashi Entrecôte
200 g for CHF 54.–, additional 50 g for CHF 10.–.
Sashi Whiskey Stroganoff
Finnish beef fillet with whiskey, served with rice and grilled vegetables.
Discover Sashi Beef
From classic fillet and entrecôte to distinctive dishes, Sashi Beef from Finland is a highlight of the tonWERK steak selection.
150 g · CHF 59.–
200 g · CHF 54.–
200 g · CHF 54.–
200 g · CHF 69.–
Food & Wine Menus
From Sashi Beef and premium steaks to fish, seafood and Tavolata: discover our menus and dining experiences.
tonWERK Opening Hours
Restaurant & Bar: open daily
Hot kitchen:
Monday to Sunday: 11:30 am–2:00 pm
and 6:00 pm–10:00 pm
Christmas: tonWERK is closed on 25, 26 and 27 December.
Dogs are welcome at tonWERK.
Business Lunch in Regensdorf
Enjoy lunch at tonWERK in a relaxed setting, whether you are meeting a client or taking a break during the working day.
Explore lunch optionsThe tonWERK Atmosphere
Natural stone, fossils, handcrafted walnut tables, buffalo leather and a Revox sound system create the distinctive tonWERK setting.
A walk-in glass wine cabinet with more than 100 wine selections completes the experience.
Frequently Asked Questions about tonWERK Restaurant
What is Sashi Beef?
Sashi Beef is premium beef from Finland known for its distinctive marbling, tenderness and flavour.
Which Sashi steaks are served at tonWERK?
The selection includes Sashi Fillet, Sashi Entrecôte and Sashi New York Strip. Please check the current menu for availability.
Where is tonWERK located?
tonWERK is at Boutiquehotel Thessoni Classic Zurich, Eichwatt 19, 8105 Regensdorf, near Zurich.
Are dogs allowed at tonWERK?
Yes, dogs are welcome at tonWERK.
Is tonWERK open to guests who are not staying at the hotel?
Yes. Everyone is welcome at tonWERK. A hotel stay is not required.
Is tonWERK a steakhouse and restaurant in Regensdorf?
Yes. Premium steaks and Sashi Beef from Finland are central to the menu, alongside selected fish and seafood dishes.
Does tonWERK serve fish and seafood?
Yes. Fish and seafood complement the premium steak selection.
Can I reserve a table?
Yes. Use the reservation button on this page to book your table online.
Where can I find more information about tonWERK?
Visit steakhouse-zurich.com for menus and further information about the restaurant.
