1. In medium bowl combine, meat, egg,bread crumbs, parmesan cheese, basil& onion powder; shape into 3/4" balls.
2. In large sauce pan, heat broth to boiling; stir in spinach, orzo, carrot& meatballs.
3. Return to boil;reduce heat to medium.
4. Cook at slow boil for 10 minutes or until orzo is tender.
5. Stir frequently to avoid sticking.
6. Beat one egg w/ parmesan cheese and slowly swirl into soup
7. Serve with additional Parmesan cheese sprinkled on top.