In the pot, sauté the onion, carrot and celery with veggie broth or oil until semi soft. Add the garlic and sauté for about one minute.
Add lentils and tomato sauce and stir for one minute. Start with 2 tablespoons tomato sauce and add more according to preferred flavor.
Add the 4 cups of veggie broth, and bay leaves. Then and oregano, salt and pepper to taste.