Put your fresh salad greens in a big plastic bag, gather up the neck, blow a little air (a.k.a carbon dioxide) inside, then seal it up quick. Apparently this trick will keep your greens "bright, firm, and flavorful for at least a week."
Put your fresh salad greens in a big plastic bag, gather up the neck, blow a little air (a.k.a carbon dioxide) inside, then seal it up quick. Apparently this trick will keep your greens "bright, firm, and flavorful for at least a week."