In a medium mixing bowl, COMBINE the 8 meatball ingredients; SHAPE into 3/4" balls.
In a large sauce pan, HEAT chicken broth to boiling; STIR in spinach, orzo, carrots and meatballs.
RETURN to boil; REDUCE heat to medium.
COOK at slow boil, STIRRING frequently, until orzo is tender, about 10 minutes.
Ladle soup into bowls and top with grated Parmesan
Per Serving (excluding unknown items): 358 Calories; 17g Fat (45.0% calories from fat); 25g Protein; 23g Carbohydrate; 2g Dietary Fiber; 100mg Cholesterol; 1583mg Sodium. Exchanges: 1 Grain(Starch); 3 Lean Meat; 1/2 Vegetable; 2 Fat.