Crossword Genius

Chef’s concoction perhaps inspiring learner to be more flexible (7)

Ross

I believe the answer is:

suppler

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'more flexible' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

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(Other definitions for suppler that I've seen before include "more plastic" , "More flexible" .)

I've seen this clue in The Times.
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