Wong Kei (Chinatown), Castle's Pie and Mash (Camden) and Brick Lane Beigel Bake (Brick Lane!).
If we're talking chains I'm partial to a Wagamama or Wasabi.
KFC - Bethnal Green Road.
Burger King Leicester Square.
Cafe 1001 is one of my favourite places to waste hours!
Tinseltown or anywhere on Edgeware Road
ooohhh where do i start!
aroma chinese restaurant in sheperds bush
woody grill willesden
taza in queensway (just walk up towards all the shops and stuff when you exit the station, it's a lebanese place)
sorry they aren't in central but they're all nice
You need to go to the Selfridges food hall for tasty goodness. Square Pie is a great place for lunch which can be found there too.
Hing Loon in China Town...
Anywhere in edware road on the other side of the bridge (not hilton side)