Turn to cleaner for tangy dish (7)
I believe the answer is:
rollmop
'tangy dish' is the definition.
'rollmop' can be an answer for 'dish' (I have seen 'savoury dish' mean 'rollmop' so perhaps 'dish' could also mean 'rollmop'). I am unsure of the 'tangy' bit.
'turn to cleaner' is the wordplay.
'turn' becomes 'roll' (roll is a kind of turn).
'to cleaner' becomes 'mop' (something which 'cleans').
'roll'+'mop'='ROLLMOP'
'for' acts as a link.
Can you help me to learn more?
(Other definitions for rollmop that I've seen before include "Fish" , "Ex-swimmer preserved" , "Rolled and pickled herring" , "Pickled herring on a stick" , "Pickled herring wrapped around onion slices" .)