From time to time, nth new oven-ready recipe (5,3,3,4)

I believe the answer is:

every now and then

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'from time to time' is the definition.
I can't tell whether this defines the answer.

'nth new oven-ready recipe' is the wordplay.
'recipe' indicates anagramming the letters.
'nth'+'new'+'oven'+'ready'='nthnewovenready'
'nthnewovenready' with letters rearranged gives 'EVERY NOW AND THEN'.

Can you help me to learn more?

(Other definitions for every now and then that I've seen before include "at times" , "Occasionally" , "Not all of the time" , "periodically" .)

I've seen this clue in the Sydney Morning Herald.

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