Restaurants

Master Wei Xi'An.

Xi'an noodles · Bloomsbury · $$ · Solid · must-visit · verified

13 Cosmo Place

Guirong Wei's Xi'an noodles at 13 Cosmo Place; Ottolenghi's stated London secret

Jeff's note

Master Wei Xi'An

Biang biang is the sound of the dough hitting the bench, and Guirong Wei has been making those noodles in one small Bloomsbury room since 2019.

Why go

Guirong Wei co-founded Xi'an Impression in Highbury, then opened this on Cosmo Place, a lane behind Southampton Row, and it won the Observer Food Monthly Best Newcomer award in 2019 (Master Wei). Shaanxi cooking is its own thing and the room treats it that way: hand-stretched biang biang noodles, cold-skin liangpi under chilli oil, cumin-heavy beef in a flatbread. The Infatuation's Heidi Lauth Beasley scored it 9.0 in September 2024 and said the beef biang biang are the best in London (ref). Seven months later Yotam Ottolenghi named it in the Evening Standard as the place he sends people to eat alone. The room is small, plain, and has a couple of beers on tap.

Order this / avoid

  • Order: the beef biang biang noodles first. Then the Xi'an liangpi in the traditional sauce, which Beasley says words cannot do justice to. Smacked cucumber for the table. The spicy cumin beef burger, which she rates above the stewed pork version.
  • Avoid: the steamed pork and vegetable dumplings, which is the one thing she marks down: "You'll find better steamed dumplings in London" (ref). And do not count on walking in at peak.

What locals & experts say

  • Yotam Ottolenghi, in the Evening Standard (24 April 2025), on his own list of where he eats: "I'm not sure how much of a secret it is any more, but Master Wei. Guirong Wei is a Xi'an noodle specialist who has brought authentic Xi'an food, with its rich 2,000-year history, to the UK. It's the sort of place to fly solo. A laid-back spot where you can slurp away, accompanied by a newspaper or headphones." ref
  • Heidi Lauth Beasley, The Infatuation London (11 September 2024), 9.0 out of 10: "sitting down at Master Wei, knowing that you've made it back for another bowl of London's best beef biang biang noodles is a feeling you'll go out of your way to recreate." Her caveat is in the same piece, on the dumplings. ref
  • Grace Dent reviewed it for the Guardian under the headline "Master Wei, London WC1: An assertive culinary hug". The Guardian URL would not resolve on three attempts, so that headline is reproduced here from the restaurant's own press page and Dent is not tagged as an endorser until the primary link is found. ref
  • Observer Food Monthly Awards 2019, Best newcomer, also recorded from the venue's press page rather than from the OFM itself.

Good to know

  • Where: 13 Cosmo Place WC1N 3AP, a short lane between Southampton Row and Queen Square, five minutes from the British Museum. Holborn or Russell Square tube.
  • Which one: there is now a second Master Wei at Bechtel House, 245 Hammersmith Road W6. This entry is Cosmo Place, and every source above predates the Hammersmith opening.
  • Sister restaurant: Xi'an Impression in Highbury, which the same chef co-owns.
  • Booking: worth it. The room is small.
  • Price: cheap for the cooking. Beasley's line is that it is affordable enough to be a habit.
  • Hygiene: the FSA records rating 5, inspected 28 May 2025, with components 5, 5 and 5, where lower is better. ref
  • Michelin: not recorded either way. Our cached Michelin data is stars only, so its silence means nothing about guide selection.

Jeff's take (his words)

Jeff has no note on this one. The saved-places export carries an empty Note for the row, so jeff_note stays empty and nothing here is attributed to him. The master spreadsheet's one-line description was an enrichment lead and has been replaced by the fetched facts.

Verdict (Chef Jeff ladder)

must-visit — Biang biang is onomatopoeia. It is the noise the dough makes hitting the bench as it gets stretched and slapped flat, and Guirong Wei has been making those noodles in a small Bloomsbury room since 2019, having already co-founded Xi'an Impression up in Highbury. The Observer Food Monthly named it Best Newcomer that year and Grace Dent went in for the Guardian. What settles it is two independent voices since. Heidi Lauth Beasley scored it 9.0 for The Infatuation in September 2024 and called the beef biang biang the best in London, and Yotam Ottolenghi named it in the Evening Standard the following April as his London secret and the place to eat alone. Order the liangpi, cold skin noodles under chilli oil, and the smacked cucumber, and the cumin beef burger rather than the stewed pork one. Skip the steamed dumplings, which is Beasley's own caveat. It costs very little, it is one small room, and Shaanxi cooking done this well by the person who introduced it here is not something you can substitute.

Order

  • Beef biang biang noodles, hand-stretched to order, which the critic who scored this place called the best in London
  • Xi'an liangpi in the traditional sauce, cold skin noodles under chilli oil, which is the dish people come back for
  • Smacked cucumber, spicy, ordered for the table even when you are the table
  • The spicy cumin beef burger, which beats the stewed pork version

Good to know

  • Booking: recommended
  • Timing: lunch, dinner
  • Best for: lunch, dinner, solo, cheap-eats, date
  • Avoid: The steamed pork and vegetable dumplings, which a critic who loved everything else called only pretty decent; Assuming you can walk in at peak. It is a small room and it fills
  • Expert picks: Yotam Ottolenghi, Heidi Lauth Beasley
  • Verified 2026-08-01

Sources & mentions

  1. [1]
    Evening Standard (Yotam Ottolenghi, 24 April 2025)

    type-1 chef pick, captured in places-db/london/data/chef-votes.jsonl. Ottolenghi names Master Wei as his London secret and names the chef, Guirong Wei. Recorded there with the note 'His stated London secret. A solo-dining send.' At the date he said it, Cosmo Place was the only Master Wei in existence

  2. [2]
    The Infatuation London (Heidi Lauth Beasley, 11 September 2024)

    bylined rated review, 9.0 out of 10, at 13 Cosmo Pl WC1N 3AP, which is this row's address. Names the sister restaurant Xi'an Impression. Dish by dish: the liangpi cold-skin noodles, the smacked cucumber to order for the table, the stir-fried potato slivers with vinegar and chilli, the spicy cumin beef burger over the stewed pork one. Carries a critical line on the steamed dumplings. Describes the room: exposed brick, lit portraits of Xi'an landmarks, black chairs, a bar with a couple of beers on tap

  3. [3]
    Master Wei (venue site and press page, read 1 August 2026)

    first-party. 'Master Wei Xi'an Cuisine is run by chef Guirong Wei, Xi'an impression's co-owner. The signature Biangbiang noodles are available in beef and veggie varieties.' The press page records the Observer Food Monthly Awards 2019 Best Newcomer win and reproduces the headline of Grace Dent's Guardian review, 'Master Wei, London WC1: An assertive culinary hug'. The homepage carries a banner announcing that the Hammersmith branch has opened

  4. [4]
    FSA food hygiene register

    FHRSID 1174671, Master Wei Xi'an Cuisine, 13 Cosmo Place WC1N 3AP, Camden: rating 5, rating date 28 May 2025. Components hygiene 5, structure 5, confidence in management 5, where lower is better. The Hammersmith sibling is a separate record, FHRSID 1657094, Bechtel House, 245 Hammersmith Road W6 8PW, first rated 2 March 2026, which is eleven months after Ottolenghi's pick

Record

slug
master-wei-xian
city
London
group
Restaurants
category
Restaurant
cuisine
Xi'an noodles
area
Bloomsbury
price
$$
editorial class
Solid
ladder verdict
must-visit
provenance
verified
confidence
high
status
Open
address
13 Cosmo Place
coordinates
51.5212, -0.12262
last verified
2026-08-01
curated page
places/master-wei-xian.md