Relish some asparagus tonight? (5)
I believe the answer is:
gusto
'relish' is the definition.
(I know that relish can be written as gusto)
'some asparagus tonight?' is the wordplay.
'some' says the answer is hidden in the clue (some of the parts of the word are used).
'GUSTO' is hidden within 'asparagus tonight'.
(Other definitions for gusto that I've seen before include "Exuberant enjoyment" , "Vigorous enthusiasm" , "Got us with great enjoyment" , "Showing zest" , "exhilaration" .)