KhaoSoi is a dish native to northern Thailand was called "noodle nut" [1] is similar to the noodles. Put spices in a spicy broth with a side of red onion and pickle and condiments such as chili powder, lime juice, fish sauce, sugar, oil, meat dishes as chicken or beef. But today there are many restaurants use pork instead. Some even add seafood or tofu as an ingredient. This dish is often not available in Thailand in a foreign restaurant. But often it is found in the north of Thailand.