Nutritional Facts 8 meatballs with 3/4 cup sauce (prepared with reduced-sodium soup mix, reduced-fat reduced-sodium soup and reduced-fat sour cream; calculated without noodles) equals 296 calories, 13 g fat (6 g saturated fat), 135 mg cholesterol, 1,050 mg sodium, 22 g carbohydrate, 1 g fiber, 22 g protein.