Battering Italian white meat with no good covering (10)

I believe the answer is:

lambasting

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'battering' is the definition.
(to lambast is to beat or criticise)

'italian white meat with no good covering' is the wordplay.
'italian white' becomes 'asti' (Italian white wine).
'meat with' becomes 'lamb' (I am not sure about this - if you are sure you should believe this answer much more).
'no good' becomes 'ng' (abbreviation).
'covering' is an insertion indicator.
'lamb'+'ng'='lambng'
'asti' going within 'lambng' is 'LAMBASTING'.

Can you help me to learn more?

(Another definition for lambasting that I've seen is " Censuring".)

I've seen this clue in The Guardian.

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