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Lettuce Knives

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

Published July 1, 2009

What You Need To Know

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...