Budget
$
Nanning night food market
Zhongshan Rd
15 minute walk south from the train station
This is a 300 meter long stretch where you will find a vivid display of various exotic dishes ready to be served.
$$$
Top end
Anything in/around Langdong or the Five Elephant Plaza financial district; the YongJiang Hotel, by the river, has an excellent buffet, with fresh seafood, and good quality meat BBQs.