__ toast (5)
I believe the answer is:
melba
'toast' is the definition.
(Melba toast is an example)
This is all the clue.
(Other definitions for melba that I've seen before include "Peach __; dessert" , "Dame Nellie --; peach --" , "Australian operatic soprano, d. 1931" , "Peach --; -- toast" , "Peach -, ice cream dish" .)