Penang laksa or commonly known as asam laksa here is a sour, fish-based soup with noodle usually made with mackerel soup and its main distinguishing feature is the asam or tamarind which gives the soup a sour taste. The fish is poached and then flaked. Besides the fish, asam laksa typically include lemongrass, galangal (lengkuas) and chilli too. A popular delicacy for both locals and foreigners, it is one of the must-try hawker food in Penang.