Published November 1, 2004. From Cook’s Illustrated.

How do I refresh tired herbs?

If your bunch of parsley, cilantro, or mint is looking a little weary, there’s an easy way to refresh it (and, in the process, wash it). Lop off the stems, submerge the leaves in a bowl of ice water, then swish them around to loosen any dirt and grit. Let them stand for 5 to 10 minutes, until they perk up and regain their lost vitality.

To drain, instead of pouring the whole lot into a colander or salad spinner basket, which will upset the grit settled in the bottom of the bowl, lift the greens out of the water using your hands, leaving the dirt behind. If your parsley or cilantro is utterly limp and lifeless, it is probably beyond resurrection