Medicinal drink shortly comes with Thai meal when ordered (9,3)

I believe the answer is:

chamomile tea

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'medicinal drink' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'shortly comes with thai meal when ordered' is the wordplay.
'shortly' means to remove the last letter.
'with' says to put letters next to each other.
'when ordered' indicates an anagram.
'comes' with its last letter taken away is 'come'.
'come'+'thai'+'meal'='comethaimeal'
'comethaimeal' with letters rearranged gives 'CHAMOMILE TEA'.

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I've seen this clue in The Times.

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