Gather the nerve and plug our cupcake ingredients for a change (5,2,7)

I believe the answer is:

pluck up courage

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'gather the nerve' is the definition.
The definition suggests a singular noun which matches the answer.

'plug our cupcake ingredients for a change' is the wordplay.
'plug our cupcake' can be anagrammed to 'PLUCK UP COURAGE'.
Though, I'm unsure how the anagram is indicated.

'and' is the link.

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I've seen this clue in The Guardian.

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