Money from turning over food ingredient (6)

I believe the answer is:

tenner

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'money' is the definition.
(slang for UK ten pound note)

I don't understand the remainder of the clue.

(Other definitions for tenner that I've seen before include "Bank note" , "A spot of money" , "Ten-pound note (inf.)" , "A 10 pound note (colloq.)" , "British banknote" .)

I've seen this clue in The Irish Times.

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