The Gap and its new eatery serving this? (9)
I believe the answer is:
spaghetti
'eatery serving this?' is the definition.
The definition suggests a singular noun which matches the answer.
'the gap and its new' is the wordplay.
'and' is a charade indicator (letters next to each other).
'new' indicates an anagram.
'the'+'gap'+'its'='thegapits'
'thegapits' anagrammed gives 'SPAGHETTI'.
Can you help me to learn more?
(Other definitions for spaghetti that I've seen before include "Wind up eating this" , "Pasta in long strips" , "Strange tight peas for the Italian dish" , "something resembling tangled wires" , "motorway interchange" .)