Along with ketchup and mustard, worcestershire sauce is part of the old guard of bottled condiments that line American refrigerator shelves. We add it to marinades, gravy, barbecue sauces, even cocktails, and its savory, sweet, and earthy properties are known to make meat dishes—including Shepherd's Pie--taste meatier. But what is worcestershire sauce, exactly? According to the wrapper of a Lea & Perrins bottle I recently examined, the ingredients include vinegar, molasses, chiles, tamarind, and anchovies. Surprised by the last, I did a little research and discovered an interesting, if debatable, backstory.