The 369 Shanghai Restaurant in O'Brien Road, Wan Chai is a durable, down-market place that serves solid, Shanghai-style dishes. It has an encyclopedic Hong Kong restaurant menu - printed in red ink on stiff white pages, with pen marks used by the waiters to pinpoint each diner's desire. (You can tell the popular dishes by the number of markings.) There is an extensive range of dishes on the menu, but not all are to be recommended and it can sometimes be hard to find out what something is exactly. 

Here's an excellent meal for two: for a main course, choose shredded pork with Chinese pickle or green pepper; also excellent are two shredded chicken dishes, one with bamboo, the other with green pepper. For a vegetable dish, order another Shanghai specialty, sautéed pak choi with Yunan ham, which comes to the table in a velvety sauce of scalding hot oil and corn starch that can only be achieved in a restaurant kitchen with a blazingly hot stove. Round the meal off with a perfectly executed fried rice with shrimp.  Chili sauce is also available to spice up the rice. 

The waiters fill your glass up with steaming jade tea (whether you want it or not!) but to compensate for this, the beer is served beautifully cold.

Finally, on settling the bill, you will be pleasantly surprised - a large meal for two cost  just under HK$125 (£9.75, or $16 USD)