Garnish leaf (5)
I believe the answer is:
cress
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">garnish leaf</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cress that I've seen before include "bit of salad" , "Food item" , "Cruciferous salad plant" , "Salad vegetable" , "Salad plant paired with mustard" .)