Some of quiche staying in box (5)

I believe the answer is:

chest

'box' is the definition.
(I know that chest is a type of box)

'some of quiche staying in' is the wordplay.
'some of' says the answer is hidden in the clue.
'CHEST' is hidden within 'quiche staying in'.

(Other definitions for chest that I've seen before include "Large box; thorax" , "Trunk or crate" , "Large strong box for storage" , "Box - breast" , "ark" .)

I've seen this clue in The Times.

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