lived in clementi all my life, know all about the food here.
in clementi central
1) Boon Kee noodles- Central market, nice wantan noodles
2) You tiao etc- beside Boon Kee
3) Fried carrot cake--also in the market, old man with straw hat
4) Nam kee fired noodles--fried prawn noodles, but have to wit damn long
5) Tanglin western food--give the chicken chop a try!
6) Satay--next to Tanglin western food
7) Fried oyster omelette--next to satay stall

Curry puffs---nearer to the toilets
9) Chwee Kway--next to the curry puff stall
10) Tiong Bahru roast pig---this is a new stall, try it out!!
11) Kway Chap--S11 @NTUC, excellent stuff
12) Tenderfresh Western Food--S11 @NTUC
13) Peanut pancake---S11@NTUC
14)Tiong bahru porridge--Teck Hin coffee shop@interchange
15) Clementi Bros rojak
16) BBQ stringray--Kopitiam
i think that's quite a lot already, can't put everything inside