Azura @ crowne plaza changi airport T3

If you are willing to travel abit ~ 15 to 20mins

East coast park center has plenty of restaurants;

Tung Lok - Dim sum buffet lunch
open air BBQ restaturant for dinner (cant remember name)

Katong Village

Samba Brazil Steakhouse Churrascaria

For details and more choices, refer to http://www.hungrygowhere.com