Drink, but be able to change (6,3)

I believe the answer is:

bubble tea

I'm a little stuck... Click here to teach me more about this clue!

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

'but be able to change' is the wordplay.
'to change' indicates an anagram.
'but'+'be'+'able'='butbeable'
'butbeable' with letters rearranged gives 'BUBBLE TEA'.

Can you help me to learn more?

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.