Crossword Genius

Overcook fish (4)

Ross

I believe the answer is:

char

I believe this is a double definition.

'overcook' is the first definition.
(I've seen this in another clue)

'fish' is the second definition.
(char is a kind of fish)

(Other definitions for char that I've seen before include "Make black by burning, or a small trout" , "Domestic employee" , "Singe; a fish" , "Burn slightly" , "Burn lightly" .)

I've seen this clue in The Guardian and The Telegraph.
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