Basic Tomato Sauce

In recent years most Greek restaurants have added celery to their all-purpose tomato sauce, inspired by the Italian marinara. But the older versions of all-purpose tomato sauce were scented with bay leaves and cinnamon, Eastern-inspired aromatics. I love to include orange peel, too, as they do in the Peloponnese. The wine sweetens the tomatoes, so I seldom add sugar. But if you like your sauce sweeter, I suggest you pulse a handful of raisins in the blender, which adds one more layer of fla