1. Melt margarine in heavy saucepan. Add tomato sauce and sugar and cook 5 minutes. Add all other ingredients plus water. Also add 2 cups of Tony Chachere's Basic Vegetable Mixture. Simmer for 2 hours over low heat until thick. Add more water if needed and season to taste.
2. For Italian dishes, add herbs and cheese.
3. For fish dishes, add mushrooms, shrimp, or crab meat.