Keep Watercress Green for a Week
Selma Brown Morrow is a freelance recipe developer, writer, and consultant to restaurants, TV celebrity chefs, and numerous publications.
An old-fashioned bunch of watercress (not hydroponic) usually turns yellow after a day or so. BUT if you refrigerate it upside down in a deep bowl, with the greens covered by water, it will retain its bright green color a week or more. 
Selma Brown Morrow
Selma Brown Morrow, a food editor at Bon Appétit Magazine for 25 years and cookbook author, is a freelance tester and recipe developer for TV celebrity chefs, restaurants, and numerous publications. She can be reached at [email protected].
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