Ring of white chocolate (4)

I believe the answer is:

echo

'ring' is the definition.
(synonyms)

'of white chocolate' is the wordplay.
'of' says the answer is hidden in the clue.
'ECHO' is hidden within 'white chocolate'.

(Other definitions for echo that I've seen before include "Nymph; E (radio comms.)" , "Be suggestive of" , "Audio effect" , "Ape" , "one catches on the rebound?" .)

I've seen this clue in The Times and The Sunday Times.

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