Fixed result condemned by party (7,2)

I believe the answer is:

rustled up

'fixed' is the definition.
(as in fixing or rustling up a meal)

'result condemned by party' is the wordplay.
'condemned' indicates an anagram.
'by' says to put letters next to each other.
'party' becomes 'dup' (I've seen this in other clues).
'result' is an anagram of 'rustle'.
'rustle'+'dup'='RUSTLED UP'

(Another definition for rustled up that I've seen is " prepared quickly".)

I've seen this clue in The Guardian.

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