Crossword Genius

Food’s roasting still (8)

Ross

I believe the answer is:

snapshot

I'm a little stuck... Click here to teach me more about this clue!

'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 Times and The Sunday Times.
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