After drink, Englishman abroad welcomes plug for Indian food (8)
I believe the answer is:
poppadom
'indian food' is the definition.
(Indian bread item)
'after drink englishman abroad welcomes plug' is the wordplay.
'after' says to put letters next to each other.
'drink' becomes 'pop' (pop is a kind of drink).
'englishman abroad' becomes 'pom' (Australian informal term).
'welcomes' indicates putting letters inside (in sense of 'invites in').
'plug' becomes 'ad' (Advertisement plugs products).
'pom' going around 'ad' is 'padom'.
'pop'+'padom' is 'POPPADOM'.
'for' is the link.
(Other definitions for poppadom that I've seen before include "starter to snap?" , "The staff of life" , "Crisp round of Indian bread" , "Indian fatherhood?" , "Spiced bread" .)