Nutritional Facts 3 meatballs and 1/2 cup sauce with 2/3 cup spaghetti equals 368 calories, 9 g fat (3 g saturated fat), 73 mg cholesterol, 661 mg sodium, 50 g carbohydrate, 3 g fiber, 20 g protein. Diabetic Exchanges: 2-1/2 starch, 2 lean meat, 2 vegetable, 1/2 fat.