Easy-to-grow herb in the mustard family (5)

I believe the answer is:

cress

(Other definitions for cress that I've seen before include "Food item" , "Toll of bell" , "Plant with pungent leaves used in salads" , "Cruciferous salad plant" , "Green cold salad ingredient" .)

I've seen this clue in the LA Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.