Hopes to reveal basil sauce (5)

I believe the answer is:

pesto

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

'basil sauce' is the definition.
(I've seen this in another clue)

'hopes to' is the wordplay.
'PESTO' is hidden within the letters.
However, I am uncertain how the hidden word is indicated.

'reveal' is the link.

Can you help me to learn more?

(Other definitions for pesto that I've seen before include "Saucy work" , "Pasta sauce based on basil" , "Basic sauce" , "Green sauce" , "A sauce served with pasta" .)

I've seen this clue in the Sydney Morning Herald.

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