In the same pan, heat oil at medium temperature and stir in the rest of the onion and the bell pepper. Cook until they are soft. Add the rest of the garlic and tomato paste, and cook a minute. Add tomatoes, spices, salt, pepper and half of the lime juice. Let it stew about 15 to 30 minutes. Add the rest of the lime juice, water or broth and cilantro. Adjust the seasoning.