Bone-hole fixed so-and-so novice, returning for marrow (4,4)
I believe the answer is:
osso buco
'bone-hole' is the definition.
I can't judge whether this defines the answer.
'fixed so-and-so novice returning for marrow' is the wordplay.
'fixed' indicates an anagram.
'and' is a charade indicator (letters next to each other).
'novice returning for marrow' becomes 'buco' (I can't justify this - if you can you should believe this answer much more).
'so' anagrammed gives 'os'.
'os'+'so'+'buco'='OSSO BUCO'
Can you help me to learn more?
(Another definition for osso buco that I've seen is " Italian meal of veal knuckle cooked with olive oil, wine and tomatoes".)