This is one of the most famous and popular dishes in Guilin, and it often appears on family dinner tables. The most important ingredients are old duck and gingko (baiguo), which is a famous local product in Guilin and also often served as a Chinese medicine. Gingko, cubes of duck meat, ham slices, and other ingredients are stewed together in braising cups. Stewing cooking makes the soup tasty and nutritious.