Oyster Vermicelli, also known as O-Ah-Mi-Sua, is a famous noodle dish in Taichung. It consists of vermicelli noodles cooked in a thick and flavorful oyster broth, topped with fresh oysters, minced pork, and cilantro. The broth is made from oyster essence, giving it a rich and briny taste. Oyster Vermicelli is a comforting and hearty dish that is often enjoyed during the colder months.