Crossword Genius

Something to eat in the bath, maybe? (3)

Ross

I believe the answer is:

bun

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

This could be a double definition.

'something to eat' is the first definition.
(bun is a kind of food)

'bath maybe?' is the second definition.
Although both the answer and definition are singular nouns, I cannot understand how they can define each other.

'in the' acts as a link.

Can you help me to learn more?

(Other definitions for bun that I've seen before include "Hairstyle, cake" , "Kind of small round cake" , "Small cake or bread roll" , "Hair in tight coil" , "One from Chelsea" .)

I've seen this clue in the Evening Standard.
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