Salt to taste Garnish: Cilantro, chopped Avocado Place seafood in glass bowl. Cover with juice. Marinate 4 hours or overnight. Drain. Return seafood to bowl. Mix onion, serrano peppers, tomatoes, olives, parsely and cilantro. Stir in tomato juice, oil, jalapenos with juice, Worcestershire, oregano and salt. Pour sauce over fish, mix gently and marinate for 1 day in refrigerator. Fill serving cups with ceviche, garnishing with cilantro. Ceviche can be refrigerated for up to 5 days. Serves 6 SOURCE: Carlos O'Brien's, 3011 N. St. Mary's, San Antonio, Tx NOTE: Ceviche, or Seviche, comes originally from Polynesia and has undergone changes that make it a Mexican dish. Mexicans perfer to use fat fish as mackerel or pompano for ceviche. Limes are preferred, although lemons may be used, since both contain the citric acid that "cooks" the fish. (According to Elisabeth Lambert Ortiz, The Complete Book of Mexican Cooking)