Guanaja at the hotel bench.
- House & Garden 2026 House & Garden Best Hotels in London: 50pts
- La Liste Pastry: World’s Best Afternoon Tea Award: 175pts · 2026
- Town & Country Hotel Awards · 2026
- Travel + Leisure It List Hotels · 2026
- Conde Nast Hot List Hotels · 2026
- Michelin Selected · 2025
Guanaja before the final lift
Guanaja asks for restraint before it asks for gloss. Marius Dufay, Pastry Chef at The Chancery Rosewood in Mayfair, London, works in the register where structure carries the pleasure. His station sits inside a hotel built for breadth, with 144 suites and eight dining outlets, but the pastry brief narrows the field: plated desserts, afternoon service at Jacqueline, and the control needed to make scent, texture, and finish arrive together. Dufay’s role here is not a decorative one. As Executive Pastry Chef, he places pastry inside the hotel’s culinary identity, so dessert becomes part of the meal’s architecture rather than a sweet coda added after the work is done. The Flower Collection at Jacqueline gives the clearest line through his method. It uses floral perfumery techniques, treating aroma as material and not as garnish. That requires a different kind of hand, less force than calibration, with each element held in proportion to the next.
Pastry as composition, not flourish
The craft at The Chancery Rosewood depends on repeatability across a large house without letting the plate feel like production. Dufay’s pastry language is built around precision, finish, and the point at which a dessert becomes composed service. In Guanaja, the signature is focus: depth without clutter, construction without visible strain. The same thinking runs through The Flower Collection, where floral notes sit beside texture rather than above it. Jacqueline adds its own discipline. The room carries more than 100 teas, which means pastry has to meet tannin, perfume, heat, and pace, not simply follow a menu sequence. A dessert built for that setting cannot rely on sweetness alone. It has to take its place beside tea service, polished brass, daylight, conversation, and the hotel’s slower rhythm. Scale is not the point, though the house has scale. It is whether the same line holds when the plate leaves the bench and enters the room.
The house around the bench
The Chancery Rosewood occupies the former US Embassy on Grosvenor Square, a Grade II listed building whose protected golden eagle still marks the façade. Inside, the old diplomatic weight has been softened into a quieter kind of ceremony: stone, brass, timber, deep walnut, and folded corridor walls that make movement through the house feel deliberate. The hotel is all suites, with no standard rooms, and that residential idea carries into the public spaces. Jacqueline sits behind the lobby with soft curves, polished brass, generous daylight, and large bay windows; it is the place where Dufay’s pastry is most visibly in conversation with the building. Elsewhere, Serra leans Mediterranean, GSQ opens to the street, Carbone has its own entrance, and Eagle Bar rises to the seventh floor. The pastry bench has to speak across that range without losing its own grammar. At Jacqueline, Guanaja remains the fixed point, a composed dish in a house designed for many rooms.
Questions
Frequently asked
Who leads the pastry programme at The Chancery Rosewood?
Marius Dufay is the Executive Pastry Chef at The Chancery Rosewood in Mayfair.
What is Jacqueline’s Flower Collection?
The Flower Collection is Dufay’s pastry work for Jacqueline, where floral perfumery techniques are used to treat aroma as a material, alongside texture and finish.
What kind of hotel is The Chancery Rosewood?
The Chancery Rosewood is an all-suites hotel in the former US Embassy on Grosvenor Square, with 144 suites and eight dining outlets.
What should be expected for a visit?
Reservations are recommended, the dress code is formal, and valet parking is available.
The field
How it compares
| Place | Notes | Awards |
|---|---|---|
| The Chancery Rosewood | Mayfair, $$$$ | · |
| Brown's Hotel, a Rocco Forte Hotel | London | · |
| Claridge’s | London | Michelin 3 Keys, World's 50 Best |
| Raffles London at The OWO | London | Michelin 3 Keys, World's 50 Best |
| The Connaught | London | Michelin 3 Keys, World's 50 Best |
| The Peninsula London | London | Michelin 3 Keys |
| The Ritz London | London | Michelin 2 Keys |