Mix salt, black pepper and cayenne pepper in a small bowl. Brush fillets with olive oil and sprinkle with seasonings. Grill or broil fillets or sauté fish in hot skillet until brown on both sides, about 5-6 minutes.
Warm tortillas in the microwave for 15 seconds on HIGH.
Sprinkle ½ cup shredded lettuce, ½ cup Pico de Gallo and ¼ cup guacamole or sliced avocado on each flour tortilla. Then, break each fillet in pieces and place on tortilla; fold over. Top taco with sour cream and taco sauce. Yield: 4 servings. (May also use favorite all purpose seasoning instead of salt and pepper mix.)