One of the most common street food which provides a unique taste of Penang would be the Penang Hokkien Mee.
Penang Street Food: Presgrave Street Hokkien Mee

One of the famous dinner time Hookkien mee stalls in George Town is the one at Presgrave Street. Sometimes known just as ‘prawn noodles’, it is a common hawker street food in Penang and a ‘must try’ for those who have been to Penang.
Penang Street Food Snapshot
Penang Food: Hokkien Mee
Hokkien Mee (or also known prawn mee/prawn noodles), is a type of Chinese noodle dish cooked in spicy prawn broth together with bean sprouts, boiled egg, slices of pork and of course, the prawns. A very popular and common local dish here, it was said to be brought here by immigrants from the Fujian province in southeastern China.