So, how do you know if your romaine lettuce has gone bad? Look out for slimy or soft leaves, as well as any signs of mold or discoloration. If it's developed an off smell or sour taste, it's time to say goodbye to that batch.
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But don't worry, there are ways to make your romaine lettuce last longer. You can try storing it in a breathable container or plastic bag with some paper towels to absorb excess moisture. And, of course, always check the expiration date or pack date on the packaging.