Crossword Genius

In the restaurant, is it served without accompaniments? (4)

Ross

I believe the answer is:

sole

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

'in' is the definition.
Both the definition and answer are adjectives. Maybe you can see a link between them that I can't see?

'restaurant is it served without accompaniments?' is the wordplay.
I cannot really understand how this works, but
'it' could be 'e' ('e' can mean 'electronic' which is similar to 'IT') and 'e' is found in the answer.
The remaining letters 'sol' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

'the' acts as a link.

Can you help me to learn more?

(Other definitions for sole that I've seen before include "Fish - alone" , "fish in the sea!" , "A lone sort of fish - lose it" , "A lonely sort of flatfish" , "Lone; part of foot" .)

I've seen this clue in the Evening Standard.
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