Cao Lau is a traditional Vietnamese noodle dish that originates from the ancient city of Hoi An. It features thick rice noodles, which are typically made with water from a specific local well, giving them a unique texture and flavor. The dish is usually topped with slices of pork, fresh herbs, and crispy rice crackers, creating a delightful combination of tastes and textures. The preparation of Cao Lau is distinctive, as the noodles are often cooked in a way that retains a chewy consistency. This dish is usually served with a small amount of broth, allowing the flavors to meld together. It is a popular choice among both locals and tourists visiting Hoi An.