Open a tent possibly to supply Italian bread (9)

I believe the answer is:

panettone

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'italian bread' is the definition.
'panettone' can be an answer for 'bread' (I've seen this before). I am not sure about the 'italian' bit.

'open a tent possibly' is the wordplay.
'possibly' is an anagram indicator.
'open'+'a'+'tent'='openatent'
'openatent' is an anagram of 'PANETTONE'.

'to supply' is the link.

Can you help me to learn more?

(Other definitions for panettone that I've seen before include "bread" , "Italian spiced cake eaten at Christmas" .)

I've seen this clue in The Guardian.

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