Fields by René Mathieu

Fields by René Mathieu: Worth Booking?

Yes — book Fields by René Mathieu if you are serious about plant-based fine dining and want a Michelin-starred experience that goes beyond token vegetable dishes. This is one of the few restaurants in Luxembourg, and arguably in Europe, where a 100% pure plant and gluten-free tasting menu is the entire proposition, not a concession to dietary preference. If you are coming from a meat-forward fine dining background and plant-based is secondary to you, Ma Langue Sourit or Léa Linster will serve you better. But if vegetables, wild herbs, and fruit are the point, Fields earns its Michelin star and its La Liste ranking of 82 points in 2026.

The Restaurant

René Mathieu built his reputation over two decades at La Distillerie, where his former restaurant ranked number one in the We're Smart TOP100 for Leading Vegetables Restaurants in the World for two consecutive years (2020-2021). That credential matters because it is independently verified by a specialist ranking body, not a PR claim. He and Xavier Pellicer from Barcelona are the only two chefs to achieve We're Smart Untouchable status — a distinction awarded for sustained dominance at the leading of the plant-focused ranking. Fields is where that work continues, now with a Michelin star confirmed for 2025.

The address , 6 Rue de Trèves in Findel Sandweiler, just outside Luxembourg City , places the restaurant near the airport corridor rather than in the city centre. If you are flying in or out of Luxembourg Airport, the location is genuinely convenient. For city-based visitors without a car, factor in transport time before you book. The surrounding green countryside of the Grand Duchy is part of the kitchen's source logic: Mathieu works with small local growers, drawing on the seasonal produce of the region. This is not a style choice layered onto the menu , it is the menu's architecture.

The food at Fields is defined by colour, texture, and the full expression of plant ingredients rather than by imitation of meat-based formats. Vegetables, fruit, and wild herbs are treated as the primary material, not as garnish or accompaniment. For a returning guest, the menu will shift with the seasons, so what you encountered on a first visit will not map exactly onto a second. That seasonal variability is a reason to return, not a caveat. The La Liste score of 82 and the Michelin star together confirm that the kitchen's execution is consistent enough to justify repeat visits at this price tier.

At the €€€€ price range, Fields sits alongside Luxembourg's other top-end restaurants. The difference from most peers is that the price here buys a fully committed single-direction menu. There is no hedging between plant and animal protein. If you are bringing a guest who is not a plant-based eater, this is the most important thing to confirm before booking. Everyone at the table will be eating the same format.

Booking Fields by René Mathieu

Book as far ahead as possible , treat this as a hard booking, not an easy walk-in. Michelin-starred restaurants at the €€€€ tier in small-market cities like Luxembourg fill their covers quickly, and Fields draws an international audience in part because of its We're Smart credentials and Mathieu's profile in the plant-based fine dining world. The safest approach is to reserve four to six weeks out for a weekday dinner, and longer for weekend service. No booking method is specified in available data, so check the restaurant's direct contact channels. Phone and online booking details are not confirmed here , verify independently before relying on either.

The Michelin star was awarded for 2025, which means the restaurant is currently in its first full Michelin-starred year. Early months following a first star frequently bring a surge in reservation demand. Book sooner rather than later if Fields is on your list for this year.

If You Have Been Once

If you visited Fields before the Michelin star was awarded (pre-2025), the experience you had may have been close to the current one in philosophy but the recognition has changed the booking dynamic considerably. A second visit is worth planning around the seasonal calendar , early spring and autumn are when plant-forward kitchens in Northern Europe tend to produce their most distinctive menus, as foraged wild herbs and transitional produce add range to the palette. For a returning guest, asking about the seasonal focus when reserving is worthwhile. The kitchen's emphasis on local small growers from the Grand Duchy means the menu has a genuine regional character that varies with the time of year.

Comparing Fields to Peers in Luxembourg

See the comparison section below for how Fields sits relative to Ma Langue Sourit, Apdikt, Archibald De Prince, Fani, and Léa Linster.

More Seasonal Cuisine Worth Knowing

If seasonal, produce-led cooking is your priority across different regions, consider: Kirchenwirt in Leogang, Mesnerhaus in Mauterndorf, Saziani in Straden, ZUR WEINSTEIGE in Stuttgart, and Adler in Fläsch. For Luxembourg specifically, our full Luxembourg restaurants guide covers the wider field. You can also explore hotels, bars, wineries, and experiences across the Grand Duchy.

Quick reference: Fields by René Mathieu , Michelin 1 Star (2025), La Liste 82pts (2026), 100% plant-based and gluten-free, €€€€, Findel Sandweiler (near Luxembourg Airport). Book 4-6 weeks out minimum; expect hard availability.