A group of street food advocates plan to put the humble cuisine on the world platform to raise its profile and slow its demise

For the last few decades, one of China's most dedicated foodies has been getting his oyster pancake fix from a tiny roadside stall in Shantou, Guangdong province, where he was born.

The woman running the stall has been frying the egg, potato starch and fresh oyster delicacy for 60 years, and - according to Johnny Chan - the taste has never changed.