Food’s roasting still (8)

I believe the answer is:

snapshot

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'still' is the definition.
(I've seen this before)

'food's roasting' is the wordplay.
'food's' becomes 'snaps' (I can't justify this - if you can you should believe this answer much more).
'roasting' becomes 'hot' (I've seen this in another clue).
'snaps'+'hot'='SNAPSHOT'

Can you help me to learn more?

(Other definitions for snapshot that I've seen before include "print" , "Quick photo" , "Informal photo" , "exposure" , "Informal photograph" .)

I've seen this clue in The Sunday Times and The Times.

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