What is jay (เจ) food? Thailand's Buddhist vegan tradition, explained
If you've walked a Bangkok market street you've seen them: yellow flags with a red character that looks like เจ. That's jay (also spelled jeh or je), and it marks food prepared to a Chinese-Thai Buddhist standard that's stricter than Western veganism in some ways.
Jay food contains no meat, seafood, dairy or eggs — and additionally no garlic, onions, chives, leeks or strong spices, which tradition holds inflame the passions. Many jay kitchens also keep separate cookware. What you get is deeply savoury Thai-Chinese cooking built on tofu, mushrooms, gourds, mock meats and rice — at street-food prices.
For travelling vegans, jay restaurants are a superpower: the label does the explaining for you. A few caveats: some jay places are vegetarian-plus rather than strictly vegan during non-festival months, and oyster sauce occasionally sneaks into 'mangsawirat' (มังสวิรัติ, vegetarian) places — but a yellow เจ flag is the strongest signal you'll find. These are Bangkok's best:
Ten jay kitchens worth crossing town for
Ruyi vegetarian
A long-loved Thai-Chinese vegetarian restaurant near Hua Lamphong MRT, popular with locals. Generous, cheap plates of mock 'duck' and 'pork', fried dumplings, stir-fried 'crab' curry and tom-yum noodle soup — expect a wait at peak times.
Som Tam Jay So
A 100% vegan (jay) restaurant serving plant-based Thai food in Bang Rak. Does delivery, good for groups and has outdoor seating.
Tammang Sathorn-Charoenraj Isaan Vegan ตำมัง สาทร-เจริญราษฎร์ อีสาน เจ มังสวิรัติ วีแกน
The first vegan restaurant in Bangkok to appear in the Michelin Guide, Tammang Sathorn brings Isaan cooking into the plant-based kitchen without losing the funk and fire that make northeastern Thai food what it is. Fermented soybean replaces fish sauce, housemade mock meats stand in for the real thing, and the som tam and kway chap are as good as any in the city. Garlic-free options are available throughout the menu.
White Kitchen by Jib (เจไม่จืด)
White Kitchen by Jib is the kind of place that reminds you why neighbourhood restaurants matter. Owner Jib runs a small, personal vegan and jay Thai kitchen in Lat Yao that feels like eating at a friend's house — home-cooked food, warm hospitality, and the sort of attention to a guest that larger restaurants rarely manage. The five-star reviews mention the food, but almost always mention Jib too.
Vegan Garden ร้านอาหารเจ - มังสวิรัติ คาเฟ่ คลอง4 ลำลูกกา
A 100% vegan (jay) restaurant serving plant-based Thai food in Bangkok. Good for groups, has outdoor seating and takes reservations. A well-reviewed local favourite (4.7★).
Jay Kob Tom Yum Kung Bang Lamphu
A 100% vegan (jay) restaurant serving plant-based comfort food in Talat Yot. Does delivery, good for groups and has outdoor seating. A well-reviewed local favourite (4.6★).
ร้านอาหารเจแตะสุข (Tae Suk Jay Restaurant)
A 100% vegan (jay) restaurant serving plant-based Thai food in Khlong Thanon. Does delivery, good for groups and takes reservations. A well-reviewed local favourite (4.7★).
Vegetarian by So Vegan ร้านอาหารเจ อาหารมังสวิรัติ สาขาโลตัสลาดพร้าว เขตจตุจักร
Casual vegan Thai inside the I'm Chinatown mall — known for its mushroom noodle soup and mock-meat Thai dishes.
Jay Aew Khanom Chin
A 100% vegan (jay) restaurant serving plant-based comfort food in Khlong Toei. Easy on the wallet.
Jade's | เจษ
A fully vegan and jay (เจ) café-bakery specialising in vegan cakes, pastries and desserts, in Wang Mai, Bangkok.