Serving with chop suey (4)
I believe the answer is:
rice
'serving with chop suey' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for rice that I've seen before include "Cultivated food grass" , "Cereal food" , "Cereal grass" , "It grows in paddy-fields" , "Staple food -- English lyricist, b. 1944" .)