This authentic Khao Soi Curry Chiang Mai Noodles is a delightful dish from Northern Thailand. It features a deliciously creamy coconut milk broth, tender chicken, and soft egg noodles. Comforting and easy! Kao Soi (khao soy or Khao soi) is a delicious Thai dish that combines tender chicken with a rich coconut curry noodle soup. It’s a popular dish in the city of Chiang Mai, known for its traditional khao soi.