
i. Biography
The core move in Jos Timmer’s work at De Kas came in 2018, when a year in the kitchen turned into ownership of the same restaurant. That shift did not read as a break from the earlier role so much as a deepening of it: chef to chef and co-owner, with the same place, the same pace, and a clearer claim on the kitchen’s direction. His cooking sits close to the ground, shaped by planting and harvest, and by the idea that what goes into the earth can come back to the plate within months, still fresh.
Coming Up
A year as chef at De Kas in Amsterdam (2017–2018) gave Jos Timmer the working base for what followed. In a restaurant closely tied to produce and seasonality, the job required more than technical control; it required attention to rhythm, timing, and the logic of the garden. Moving from chef to chef and co-owner in 2018 marked a steady progression built on trust and repetition, not reinvention. Since 2018, Jos has been chef and co-owner of De Kas.
Where They Are Now
The kitchen language at De Kas is direct and agricultural. Timmer describes it plainly: “We do everything organically, organic seeds. We don't use any pesticides or anything.” The line sets out the method without embellishment. Ingredients are cultivated with care, and the cooking follows that same restraint, letting the produce lead rather than forcing a separate style onto it. The pace of the garden becomes the pace of the kitchen. That approach gives the work its shape: fresh produce, organic seeds, and no pesticides, carried from soil to plate within months. The strength of the method lies in its clarity. Nothing is overworked or disguised; the restaurant’s logic begins in the ground and finishes on the plate.
In Their Words “What we put into the ground can be taken out again within a few months. Then it comes fresh onto the plate.” “We do everything organically, organic seeds. We don't use any pesticides or anything.”
Profile updated July 2026
FAQ
Asked of Jos
What is Jos Timmer's current role?
As of 2026, Jos Timmer is Chef and Co-owner.
Where did Jos Timmer work before?
Jos Timmer's earlier career included De Kas.







