Cooked them evenly with great heat (10)

I believe the answer is:

vehemently

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

'cooked them evenly with great heat' is the definition.
I can't judge whether this defines the answer.

'cooked them evenly' is the wordplay.
'cooked' indicates an anagram (letters cooked into a new form).
'them'+'evenly'='themevenly'
'themevenly' anagrammed gives 'VEHEMENTLY'.

Can you help me to learn more?

(Other definitions for vehemently that I've seen before include "Passionately, forcefully" , "Intensely, forcefully" , "with strong feeling" , "with force" .)

I've seen this clue in The Times.

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