Instant tea or coffee (5)

I believe the answer is:

mocha

'coffee' is the definition.
(type of coffee drink)

'instant tea' is the wordplay.
'instant' becomes 'mo'.
'tea' becomes 'cha' (cha is a type of tea).
'mo'+'cha'='MOCHA'

'or' acts as a link.

(Other definitions for mocha that I've seen before include "Dark brown" , "Kind of coffee" , "Yemeni port; type of coffee bean" , "Strong dark coffee" , "Deep brown; a fine coffee" .)

I've seen this clue in The Guardian, The Telegraph, The Times and The Sun.

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