Crossword Genius

Basic foods keep (5-3-6)

Ross

I believe the answer is:

bread-and-butter

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

This might be a double definition.

'basic' is the first definition.
(I've seen this before)

'foods keep' is the second definition.
'bread and butter' can be an answer for 'keep' (synonyms). I am not certain of the 'foods' bit.

Can you help me to learn more?

(Other definitions for bread-and-butter that I've seen before include "Living" , "livelihood" , "standard" , "Materialistic, practical" , "Basic" .)

I've seen this clue in The Telegraph.
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