Pork Soup & Rice Sukhumvit 23 is a kao lao shop on Sukhumvit 23 serving pork offal soup and noodles, about a 10-minute walk from Asok Station. The soup uses a clear broth with pork meatballs and trimmed gopchang, served with rice. The menu is easy to follow, and you order first and then take a seat. Seating areas differ in temperature, and small flies are visible.