In a pan, heat the oil and sauté the tomatoes for 5 to 10 minutes, or until soft. Stir in the remainder of the ingredients except the vinegar. Simmer on low heat, stirring regularly, for 20 - 30 minutes until the sauce has thickened. Remove from the heat, stand for 3- 5 minutes and stir in the vinegar. cool and set aside or serve hot with black-eyed peas, plantains or boiled rice. Serves 7