från den underbara världen av wikipedia:
Khao soi or Khao soy (Thai: ข้าวซอย) is a Burmese-influenced dish served in northern Laos and northern Thailand, especially Luang Prabang and Chiang Mai, respectively. It is a soup-like dish made with deep-fried crispy egg noodles, pickled cabbage, shallots, lime, nam prik pao, and meat in a curry-like sauce containing coconut milk. The curry is similar to that of yellow or Massaman curries but is thinner. Some recipes use Massaman curry in the dish. Though northern Lao people have a special way of preparing this dish, different versions of it can be found at Lao restaurants. It is popular as a street dish eaten by Thai people, though not frequently served in Western Thai restaurants.
Traditionally, the dish was served with beef or chicken rather than pork, as it is Chinese Muslim in origin.
.
.