Calls about oven get severe rebukes (9)

I believe the answer is:

roastings

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'severe rebukes' is the definition.
Although both the answer and definition are plural nouns, I don't see how they can define each other.

'calls about oven' is the wordplay.
'calls' becomes 'rings' ('ring' can be a synonym of 'call').
'about' indicates putting letters inside.
'oven' becomes 'oast' (type of kiln).
'rings' going around 'oast' is 'ROASTINGS'.

'get' is the link.

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I've seen this clue in The Guardian.

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