Here's How To Keep Bagged Salad Fresh Longer - Chowhound

The Image Party/Shutterstock No doubt you've seen the memes mocking the frustrating cycle of buying fresh greens only to throw them out, uneaten, a week later before replacing them with a new bag. You can even purchase cocktail napkins that say, "Just bought a head of lettuce. Should I throw it away now or wait two weeks like I usually do?" But, in fact, buying a head of lettuce is actually one way to extend the…