Most of deprived area in resort, one serving Italian food (9)
I believe the answer is:
spaghetti
'italian food' is the definition.
(I know that pasta are Italian)
'most of deprived area in resort one serving' is the wordplay.
'most of' means to remove the last letter.
'deprived area' becomes 'ghetto' (I've seen this before).
'in' means one lot of letters goes inside another.
'resort' becomes 'spa' (spa is a kind of resort).
'one serving' becomes 'i' (I can't explain this - if you can you should believe this answer much more).
'ghetto' with its final letter taken off is 'ghett'.
'spa'+'i'='spai'
'ghett' going within 'spai' is 'SPAGHETTI'.
Can you help me to learn more?
(Other definitions for spaghetti that I've seen before include "Pasta made from tight peas" , "Sort of food" , "Pasta - Birmingham's junction" , "Pasta twirled around a fork" , "The gas tip can produce a pasta" .)