Secretary interrupts confab over source of imported food (7)

I believe the answer is:

chapati

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'food' is the definition.
(chapati is a kind of food)

'secretary interrupts confab over source of imported' is the wordplay.
'secretary' becomes 'PA' (abbreviation for personal assistant).
'interrupts' is an insertion indicator.
'confab over' becomes 'chat' (synonyms. I am not sure about the 'over' bit.).
'source of' suggests taking the first letters (the start - or source - of the word).
The initial letter of 'imported' is 'i'.
'pa' going inside 'chat' is 'chapat'.
'chapat'+'i'='CHAPATI'

Can you help me to learn more?

(Other definitions for chapati that I've seen before include "Unleavened bread of the subcontinent" , "Piece of bread (Indian)" , "What Indian waiter might bring" , "Unleavened bread of India" , "I may be taken in with Indian" .)

I've seen this clue in The Independent.

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