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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...