Shanghai cuisine, also known as Hu cuisine, is popular style of Chinese food. In a narrow sense, Shanghai cuisine refers only to what is traditionally called Benbang cuisine (???, lit. "local cuisine") which originated in Shanghai; in a broad sense,it refers to complex and developed styles of cooking under profound influence of those of the surrounding provinces – Jiangsu and Zhejiang –. It takes "color, aroma and taste" as its elements like other Chinese regional cuisines, and emphasizes in particular the use of seasonings,the quality of raw materials and original flavors.
http://en.wikipedia.org/wiki/Shanghai_cuisine