
Chef in Residence
Anton Mosimann
Chef

Anton Mosimann, Chef at Mosimann's in Belgravia, London, brings cuisine naturelle into a private club built around risotto and restraint.
The risotto is the dish that keeps the hand honest. At Mosimann's in Belgravia, London, Chef Anton Mosimann has made that measured rice work part of a longer discipline, one that began in a local hotel apprenticeship and moved through kitchens in Rome, Montreal, Japan and Belgium before settling into London. The record is unusually clear about the stations that formed him: Head Chef for the Swiss Pavilion at Expo '70 in Japan, then maitre chef des cuisines at the Dorchester Hotel from 1975-1988. Since 1988, his own name has carried a restaurant, an academy and a party service, each one built around the same operational premise: precision first, ornament after. Mosimann's is the private dining club expression of that premise, set inside a converted 19th century Presbyterian church on West Halkin Street. The house uses the term cuisine naturelle for its method, light seasonal cooking that avoids weight from heavy sauces and butter. That phrase can sound airy until the plate arrives. Funghi risotto gives it weight, because rice allows little disguise; heat, stock, timing and the final texture all show at once.
The menu holds its shape through a practical ratio: 70% evolving seasonal dishes and 30% perennial classics. That division suits a kitchen built by a chef whose career moved between hotel command and private-room intimacy. The changing side gives the pass its immediate work, with seafood, fish, lamb, beef and vegetables adjusted to the season; the fixed side keeps the members' muscle memory intact. Risotto ai funghi sits there with Anton's Caesar salad, steak tartare, marinated salmon and crabmeat, bread-and-butter pudding, sea bass, halibut, fillet of beef and passion fruit mousse. The technique is not framed as austerity. Cuisine naturelle at Mosimann's means classic international dishes made lighter, with flavour separated from excess. The wine program follows that register rather than fighting it, curated to sit beside the food instead of over it. Chef's table dinners have let guests watch risotto preparation at close range, the kind of bench-side view where a kitchen philosophy has to become motion, not language.
The room keeps some of the church's vertical quiet. Soft light sits against the old structure, and the main dining room works under a vaulted ceiling, with the Balcony Bar held above it on the mezzanine. The private rooms give the house its particular grammar. There are nine of them, sponsored by names including Montblanc, Lalique, Angélus, Lanson, Davidoff and Casa Luiza, with spaces arranged for 2-50 guests. That scale matters because Mosimann's is not only a pass and a dining room; it is a private club built around repeat knowledge. Preferences can travel from one meal to the next. In that setting, sustainable seafood, seasonal produce and the old-school pace of the room do not read as separate features. They are the working conditions of the house.
Mosimann's matters most where biography becomes infrastructure. The same career that passed through Expo '70, the Dorchester Hotel and the academy now lives in a Belgravia club where instruction, service and private dining share a single standard. The next movement here does not need to be announced as novelty. It is already visible in the repeated work of the pass, especially when the kitchen returns to funghi risotto at Mosimann's.
Mossiman’s is located at 11B W Halkin St, London SW1X 8JL, United Kingdom, London.
Hours at Mossiman’s: Hours: Monday Closed Tuesday 11:30 am–11:30 pm Wednesday 11:30 am–11:30 pm Thursday 11:30 am–11:30 pm Friday 11:30 am–11:30 pm Saturday 5:30–11:30 pm Sunday Closed.
Mossiman’s has received recognition including: Opinionated About Dining Classical in Europe Ranked #328 (2025).
Mossiman's operates as a private members' club, so the menu is not publicly circulated. What is documented is that the kitchen sits within the Swiss classical tradition that Anton Mosimann has developed since his years at the Dorchester, where technique and restraint tend to govern the plate rather than elaborate garnish. Members dining at the West Halkin Street address are working within that framework, and the OAD Classical Europe ranking for 2025 suggests the kitchen's output continues to meet a specific standard of classically grounded cooking.
11B W Halkin St, London SW1X 8JL, United Kingdom
Belgravia
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