Fresh Lime and Chile Dressing for Fish

At the little fish restaurants and outdoor cafés around Lake Catemaco, this is a usual accompaniment to panfried or broiled fish or langostinos. At its simplest, the original chile limón consisted of just grinding hot green chiles with salt in a mortar and pestle and adding freshly squeezed lime juice. Now you find versions with tomatillos, cilantro, and other seasonings. I love them all! Make the sauce as simple or complex as you like. The mortar-and-pestle v