Had some gateaux (3)

I believe the answer is:

ate

'had' is the definition.
(e.g. I had an ice cream)

'some gateaux' is the wordplay.
'some' indicates a hidden word (some of the parts of the word are used).
'ATE' is hidden in the letters of 'gateaux'.

(Other definitions for ate that I've seen before include "Devoured" , "upset > Greek goddess" , "Ingested" , "Munched" , "mischief-maker" .)

I've seen this clue in the Evening Standard.

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