Wong Kei 41-43 Wardour Street, London, W1D 6PY

 
On a cold day in the west end when you're on your own and looking for a quick and cheep eat,  the Wong Kei is the place to go.
 
Won Ton noodle Soup takes about 5 mins to arrive with 5 or 6 nicely cooked won tons, a good basic stock, noodles, chinese greens and a free pot of jasmine tea all for £2.80 you can't go wrong.