It's meat that's cooked now and then (2,5)
I believe the answer is:
at times
'now and then' is the definition.
(I've seen this before)
'it's meat that's cooked' is the wordplay.
'that's cooked' indicates anagramming the letters (letters cooked into a new form).
'its'+'meat'='itsmeat'
'itsmeat' with letters rearranged gives 'AT TIMES'.
(Other definitions for at times that I've seen before include "Not always" , "Occasionally" , "Where some journalists work" , "In the office" , "on some occasions" .)