Case Studies / Portfolio

Tanja Grandits’ newest culinary chapter unfolds in Oberwil, where the historic Restaurant Schlüssel has been carefully redesigned by Wyss + Santos. Known for her creativity and two Michelin stars, Grandits brings her signature balance of precision and warmth to this relaxed, welcoming setting. Her goal was deeply personal: she wanted guests to feel as though they were dining at her home  — surrounded by comfort, authenticity, and understated beauty. As the architectural photo