La Narval Mackerel Fillets in Tomato Sauce Filetes de Caballa en Salsa de Tomate Size: 3.23oz (120 g) Ingredients: mackerel, sunflower oil, tomato, onion, salt. Product of Spain Clean mackerel fillets, with no bone, in tomato sauce. After being cooked in seawater, La Narval dries the mackerel a little bit so that when it comes in contact with the sauce, it gets rehydrated again increasing its taste and texture. Exquisite fish high in B6 and B12 vitamins. Suggested recipe: mackerel tacos. Heat a wheat tortilla for five seconds in the microwave. Add lettuce, tomato slices, corn, and cheese. Place the mackerel fillets and the tomato sauce on top. Add your favorite spicy sauce. Ingredients: mackerel fillets in tomato sauce, wheat pancakes, lettuce, tomato, corn, fresh cheese, and hot sauce.