Fish sauce is that magical, secret ingredient that somehow completes any dish that it's added to. Traditional to most asian cuisines, a version of fish sauce was also used in ancient Rome. Fish sauce is obviously based on fish, so what's a vegetarian (or vegan) to do if she wants to cook Thai or Vietnamese food, for example? Can't she have some of that magical savoriness, too? The answer is yes! Read on for a fish-free version of fish sauce that uses some very interesting ingredients.