Chef
Toni Kostian
Executive Chef & Owner, Restaurant Grön
- Discipline
- Chef
- Based in
- Helsinki, Finland
- Venue
- Grön · Restaurant
Known for
- Produce-driven seasonal menus at Grön
- Foraging and own-farm sourcing
- Fermentation and preservation techniques
- One Michelin star and Green Star

i. Biography
At Grön on Albertinkatu 36 in Helsinki, seasonality is handled as a working constraint rather than a theme. Finnish and Nordic products set the range: wild leaves, organic vegetables, Scandinavian fish and seafood, with fermentation and preserving used to carry selected ingredients into the cold months. In Toni Kostian’s kitchen, produce-driven cooking is tied to older Nordic and Finnish winter food methods, giving the restaurant a practical rhythm built around what can be gathered, held, and cooked in its time. “My family did a lot of fishing and foraging, so cooking was part of our everyday life.” Toni has said.
Acclaim
Toni Kostian has received The Best Chef Awards, two knives (2025).
Profile updated July 2026
FAQ
Asked of Toni
What is Toni Kostian's current role?
Toni Kostian is owner and executive chef at Grön.
What recognition has Toni Kostian received?
Chef of The Year in Finland.







