Reviews you can trust.

Lettuce Knives

Does this knife deliver on its promise to prevent lettuce from turning brown after cutting?

What We Learned

You've seen them on TV and in kitchen stores: serrated plastic knives that supposedly help prevent your lettuce from turning brown after cutting. But do they work better than tearing or using an ordinary kitchen knife? We chopped a head of romaine lettuce and a head of iceberg lettuce using three different knives: one with a stainless steel blade, one with a super-thin high-carbon s...

Try All Three of Our Sites
FREE for 14 Days

Get Instant All Access to 25 Years of America's Test Kitchen

  • All Foolproof Recipes on America's Test Kitchen, Cook's Illustrated, and Cook's Country
  • NEW! Over 1,500 recipes from our award-winning cookbooks
  • Complete TV Show Video Library—watch entire episodes or individual clips
  • Up-to-Date Taste Tests and Equipment Reviews
  • Save Favorites, Print Shopping Lists, Share Comments