Combine onion, carrot, celery, garlic, tomato sauce, basil, oregano, thyme, Worcestershire sauce, pepper, and tomatoes in a 3 1/2-quart slow cooker.
In a medium bowl, combine turkey sausage, ground beef, bread crumbs, egg, and milk. Form mixture into about 18 meatballs. Carefully place meatballs in sauce in slow cooker. Cover and cook on LOW about 7 hours or until
meat and vegetables are tender.
Cook spaghetti according to package directions and drain. Spoon meatball mixture over cooked spaghetti. Sprinkle with grated Parmesan cheese, if desired.
Per serving: Cal 803, Carb 145 gm, Prot 37 gm, Total fat 14 gm, Sat fat 1 gm, Cal from fat 126, Chol 82 mg, Sodium 3638 mg