Taking me out for a meal at lunchtime, on my own (5)
I believe the answer is:
alone
'a meal at lunchtime on my own' is the definition.
I can't tell whether this definition defines the answer.
'taking me out' is the wordplay.
'taking' becomes 'on' (eg one taking drugs is 'on' drugs).
'me' becomes 'ale' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'out' is an insertion indicator.
'on' placed within 'ale' is 'ALONE'.
'for' is the link.
Can you help me to learn more?
(Other definitions for alone that I've seen before include "Solo" , "Exclusively; solitary" , "Without others present" , "Without others being involved" , "Singly" .)