Meat and veg dish’s hot remains (4)

I believe the answer is:

hash

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'meat' is the definition.
(thesaurus)

'hot remains' is the wordplay.
'hot' becomes 'h' (abbreviation eg on taps).
'remains' becomes 'ash' (remains of a fire).
'h'+'ash'='HASH'

'and veg dish's' acts as a link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for hash that I've seen before include "Recooked dish for shah" , "Mess, botch" , "Keypad symbol" , "Pot" , "Meat dish; mess, jumble" .)

I've seen this clue in The Times.

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