Combine the first 8 ingredients in a medium bowl. Shape mixture into 30 (1-inch) meatballs. Heat a large nonstick skillet coated with cooking spray over medium heat. Add meatballs; cook for 8 minutes, browning on all sides. Remove meatballs from pan.
Add mushrooms, carrot, and shallots to pan; sauté for 5 minutes. Stir in flour; cook 1 minute. Gradually add the consommé, stirring with a whisk; bring to a boil. Return meatballs to pan. Cover, reduce heat, and simmer 8 minutes. Add water; cook for 2 minutes. Remove from heat, and stir in the sour cream and parsley. Serve over pasta.