A little white rice is all it takes to make this soup thick and creamy. The trick is in pureeing the soup so that the rice becomes silky smooth. We like to use a blender for the job; you may prefer a food processor.
The wines of southern Italy, long ignored by wine lovers, are now recognized as among the most interesting the country has to offer. A full-bodied wine such as a white Greco di Tufo, an earthy, honeyed delight, will be terrific here.