Clean chunks of tuna with lime juice or vinegar and rinse quickly with cold water. Pat dry and place in bowl. Add fish seasoning with 1 teaspoon olive oil and marinate tuna for a few minutes.

While tuna is marinating, prepare spice blend. In a mortar and pestle, add parsley, black pepper, ginger, garlic, salt and thyme. Grind until spices form a paste and mix hot and spicy original with herbs. In a large skillet or pan, heat oil, spices paste and let fry for about 1 minute. Add tomato paste and mix well. Add onions and let cook for another minute. Add diced tomatoes and mix well. Add tuna chunks, gently stir and let cook for 1 - 2 minutes while stirring occasionally. Add lime juice and water, stir to mix, lower heat and cook covered for 15 minutes. Add additional salt and pepper if necessary. Serve hot.