Both are on the cart. Crab is the name plate. Stir the juices through the noodles.

No. Bib Gourmand is the value badge. Still a queue.

Pu Ob Woon Sen in Bangkok ปูอบวุ้นเส้น

Pu ob woon sen is crab or prawn steamed on glass noodles. Somsak Pu Ob on Charoen Rat is the 2026 Bib cart.

BangkokCrab pot from 310 THB; prawn pot from about 290 THBpu op wun sen Thai food hub

Thaiปูอบวุ้นเส้น · pu op wun sen

Badge2026 Bib Gourmand

Hours16:00 to 21:30; Monday rest

RailBTS Wongwian Yai

What it tastes like

Pepper, celery, and a pot liquor you must stir through the noodles. Share the pot.

How to order it

Thai name: pu op wun sen (ปูอบวุ้นเส้น).
Say: Khor pu op wun sen, khrap/kha.
Come early. Michelin lists Tuesday to Sunday 16:00 to 21:30, closed Monday. It is about 5 minutes on foot from BTS Wongwian Yai exit 3. Cash only.

Typical price

2026 cash: Crab pot from 310 THB; prawn pot from about 290 THB.

Where to try it

Somsak Pu Ob (Charoen Rat), 199-205 Soi Charoen Rat 1, Khlong San. 16:00 to 21:30 Tue to Sun; Monday closed. Crab from 310 THB, big crab from 750 THB. This is the original cart. Other branches exist. Inspectors name this soi.

Spice level and diet

Heat: Pepper heat. Chili optional.
Diet: Crab or prawn, glass noodle, and pork fat in some pots. Not a light plate.

Next plates

Back to the Bangkok food hub for the neighbourhood rows.
Use the Bangkok Bib Gourmand page if you want the walk, not a second dish.
Crab Omelette is the nearby order if this plate is done.
Tom Yum Goong is the nearby order if this plate is done.
Pla Pao is the nearby order if this plate is done.

Book

Southeast Asia TravelGuide Network

Compare Across Southeast Asia: Thai Food vs. Vietnamese Food

Eating your way across Southeast Asia? Pair Thailand’s wok-fired street stalls and regional curries with Vietnam’s herb-bright broths, banh mi, and specialty coffee.

Sister Culinary Guide

Vietnamese Food Guide & Dish Directory

Regional dish breakdowns, street-stall addresses, and ordering rules for pho, bun cha, banh mi, cao lau, and egg coffee.

Explore Vietnamese Food Guide →Northern Broths & Coffee

Hanoi Street Food Guide

Charcoal-grilled bun cha, beef pho at dawn, crispy crab spring rolls, and Old Quarter café culture.

Read Hanoi Food Guide →Southern Markets & Seafood

Ho Chi Minh City & Da Nang Food Guides

Late-night shellfish alleys, broken rice plates (com tam), crispy banh xeo crepes, and Central Vietnamese noodle bowls.

Read Saigon Food Guide →

Common questions

Crab or prawn?: Both are on the cart. Crab is the name plate. Stir the juices through the noodles.
Is it a star?: No. Bib Gourmand is the value badge. Still a queue.