Khao SOI is a native food in the North of the country, Thai. Originally called "noodles Hong" is like a noodle line. In the soup that put Curry spice flavor with side dish: Pickled red onion, and seasoning. Lemon juice Fish recipes, sugar free original use as a chicken or beef, but nowadays many restaurants have used pork instead. Some might add seafood or tofu as a component. It is commonly found, but northern Thai.