copy & paste straight from wikipedia my fave source!
"Penang laksa (Malay: Laksa Pulau Pinang), also known as assam laksa from the Malay for tamarind, comes from the Malaysian island of Penang. It is made with mackerel (ikan kembung) soup and its main distinguishing feature is the assam or tamarind which gives the soup a sour taste. The fish is poached and then flaked. Other ingredients that give Penang laksa its distinctive flavour include lemongrass, galangal (lengkuas) and chilli. Typical garnishes include mint, pineapple slices, thinly sliced onion, hε-ko, a thick sweet prawn paste and use of torch ginger flower. This, and not 'curry mee' is the usual 'laksa' one gets in Penang. "
Asam Laksa is another dish which is synonymous to Penang... There are really just so many types of laksa... for more, read it up here
This one is the normal one... with vege, fish ball and more vege!
Location: Gurney Drive Hawkers
Rating: 6/10 (so-so only)