The easiest place to buy roti sai mai in Bangkok is a Lamunn counter. The roti sai mai brand lists 30 branches, most of them in Bangkok malls, including Siam Paragon, EmQuartier, Central Embassy, ICONSIAM and One Bangkok, and it makes the roti fresh every day. For the dessert at its source, the traditional roti sai mai shops are in Ayutthaya, north of Bangkok, where family-run stalls sell it by the bag.
Here is what roti sai mai is, where to find it in the city, and how to eat it and carry it home.
What is roti sai mai?
Roti sai mai is two things sold together: a stack of thin, soft roti sheets and a bag of spun-sugar floss. Sai mai means "silk thread," and the floss is exactly that, fine strands in pinks, greens and browns. You take a sheet, pull off a pinch of floss, roll it up and eat it straight away.
The dessert is associated above all with Ayutthaya. The recipe is said to have been brought to the old Ayutthaya kingdom by Indian Muslim traders, who sold it at roadside booths. The roti is often colored green with pandan and sprinkled with sesame.
Lamunn: roti sai mai in Bangkok's malls
Lamunn (ละมุน, meaning soft or gentle) sells two formats. The first is a take-home set: six roti sheets with a bag of floss, which it says serves one or two people, in a traditional version or a pandan version. The second is a ready-to-eat box of nine rolled pieces. The ready-to-eat box is sold only at the counter, because the brand says the floss would melt before a delivery arrived.
Its central Bangkok branches include:
- Siam Paragon, fourth floor, in the Eatelier food zone. Siam Kempinski Hotel Bangkok is linked to Paragon by a covered walkway.
- Central Embassy, lower ground floor, in the Eathai food hall. Park Hyatt Bangkok occupies the Central Embassy tower and connects directly to the mall.
- EmQuartier (basement level) and Emporium (fourth floor), both on Sukhumvit Road at Phrom Phong.
- ICONSIAM, sixth floor, on the Thonburi riverbank. The Peninsula Bangkok runs boats for its guests to ICONSIAM.
- One Bangkok (B1) and Park Silom (ground floor).
- Banthatthong, on Banthatthong Road near Chulalongkorn University, the same road as Somboon Seafood Bantadthong, so dessert can follow a curry-crab dinner.
- Asok, at the Ruam Sap market on Asok Montri Road.
Lamunn also lists branches at Central Ladprao, Central Rama 3, Central Rama 9, The Mall Bangkapi, The Mall Tha Phra, Fashion Island and others across the city. Most branches open daily from 10 a.m.; see the FAQ for hours and prices.
Other roti sai mai sellers in Bangkok
Roti sai mai also turns up at small independent shops and market stalls. Google Maps lists, for example, a Bang Oen Aroi roti sai mai shop (the brand's name refers to Victory Monument) on Ratchaprarop Road near the Din Daeng triangle in Ratchathewi, and small sellers in markets such as Tao Poon and Khlong Toei. Independent sellers change hours and locations more often than mall counters, so check a recent listing or their Facebook page before crossing town.
Going to the source: Ayutthaya
Ayutthaya, the old capital north of Bangkok, is a popular day trip, and roti sai mai is its best-known sweet. The best-known shops cluster around U Thong Road in the Pratu Chai area of the old city. On Google Maps, Roti Sai Mai Abeedeen is the most reviewed, with more than 2,000 ratings, and several neighbors sell the same dessert, including Bangdin Roti Saimai and Bang Muad Roti. Ayutthaya sits outside the City of Bangkok, so treat it as a day-trip add-on rather than a Bangkok errand.
Which should you choose?
If you are staying in central Bangkok and want to try roti sai mai once, a Lamunn counter in a mall you are already visiting is the simplest answer: the ready-to-eat box needs no assembly and the take-home set makes an easy gift for someone in the city. If you are planning a day in Ayutthaya's temples anyway, buying a bag from one of the U Thong Road shops is part of the outing. The independent sellers are for those who happen to be nearby.
Tips for buying and eating roti sai mai
- Eat the floss soon. Lamunn says its floss melts too quickly to survive a delivery ride once rolled, so keep the bag sealed and wrap each roll just before eating.
- Check the ingredients if you have allergies. Lamunn lists wheat flour (gluten), coconut and black sesame in its roti, and wheat flour in its floss.
- Order in. Lamunn sells through LINE MAN and GrabFood, and ships its sets within Thailand by EMS express post.
- Make it part of a food day. For more ideas, see our guide to Bangkok restaurants.
Sources: Lamunn (official site: menu, ingredients, branches and hours), Roti sai mai (Wikipedia), Google Maps business listings for Lamunn branches, Bang Oen Aroi Roti Sai Mai (Ratchaprarop Road) and the Ayutthaya roti sai mai shops. Checked September 26, 2026.
The easiest option is Lamunn, which lists 30 branches, including Siam Paragon (4th floor), Central Embassy (Eathai, lower ground), EmQuartier, Emporium, ICONSIAM, One Bangkok and Park Silom. Small independent sellers also trade around the city.
On September 26, 2026, Lamunn's website listed its take-home sets (six roti sheets and about 150 grams of floss, traditional or pandan) at 139 baht, and its ready-to-eat box of nine pieces at 89 baht.
Lamunn's website says its branches are open daily from 10 a.m. to 9:30 p.m. Mall branches follow their mall's hours, so check before a late visit.
Yes. Lamunn sells take-home sets through LINE MAN and GrabFood. The ready-to-eat box is sold only in store, because the brand says the floss melts in transit.
Lamunn ships its sets anywhere in Thailand by Thailand Post EMS, with delivery in one to two days, according to its website.
No. Lamunn lists wheat flour (gluten), coconut and black sesame in its roti sheets, and wheat flour in its floss.
Ayutthaya. The recipe is said to have been brought to the Ayutthaya kingdom by Indian Muslim traders, and the best-known shops are still in the city of Ayutthaya, north of Bangkok.
