Mix correct as we use condiment (9,5)

I believe the answer is:

worcester sauce

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'condiment' is the definition.
Both the answer and definition are singular nouns.
Maybe they are linked in a way I don't understand?

'mix correct as we use' is the wordplay.
'mix' is an anagram indicator.
'correct'+'as'+'we'+'use'='correctasweuse'
'correctasweuse' with letters rearranged gives 'WORCESTER SAUCE'.

Can you help me to learn more?

(Other definitions for worcester sauce that I've seen before include "Savoury liquid" , "anchovies in it" .)

I've seen this clue in The Telegraph.

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