Basic food registered in basic hotel, say (5,3,6)
I believe the answer is:
bread and butter
'basic' is the definition.
(I've seen this in another clue)
'food registered in basic hotel say' is the wordplay.
'food' becomes 'bread' (bread is a type of food).
'registered in basic hotel' becomes 'andb' (I can't explain this - if you can you should give a lot more credence to this answer).
'say' becomes 'utter' (to utter something is to speak or say it).
'bread'+'andb'+'utter'='BREAD-AND-BUTTER'
Can you help me to learn more?
(Other definitions for bread and butter that I've seen before include "Living" , "Ordinary" , "Main source of income" , "earned?" , "basic course" .)