Abroad, plonk last of bread on potato curry (8)
I believe the answer is:
vindaloo
'curry' is the definition.
(type of curry)
'abroad plonk last of bread on potato' is the wordplay.
'abroad plonk' becomes 'vin' ('wine' in French - 'plonk' can mean wine).
'last of' indicates one should take the final letters.
'on' is a charade indicator (letters next to each other).
'potato' becomes 'aloo' (term for potato in Indian cuisine).
The last letter of 'bread' is 'd'.
'vin'+'d'+'aloo'='VINDALOO'
(Other definitions for vindaloo that I've seen before include "As hot food" , "Given hot meal" , "Curry dish -- Avon lido (anag)" , "Type of hot curry" , "very spicy" .)