Peacekeeper's unhappy with king eating vegetable? On the contrary! (4,5)
I believe the answer is:
blue beret
'peacekeeper's' is the definition.
(term for a United Nations peacekeeper)
'unhappy with king eating vegetable? on the contrary' is the wordplay.
I cannot really understand how this works, but
'unhappy' could be 'blue' (I've seen this before) and 'blue' is present in the answer.
'king' could be 'er' (I've seen this in other clues) and 'er' is present in the answer.
The remaining letters 'bet' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...
Can you help me to learn more?
(Another definition for blue beret that I've seen is " UN peacekeeping soldier".)