Herbal flavouring (7)
I believe the answer is:
aniseed
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">herbal flavouring</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for aniseed that I've seen before include "Plant" , "Aromatic flavouring" , "Die sane (anag)" , "Flavouring herb" , "Natural flavouring" .)