Nutritional Facts 1 muffin (prepared with fat-free milk, reduced-fat cheese and reduced-fat sour cream) equals 146 calories, 5 g fat (2 g saturated fat), 30 mg cholesterol, 367 mg sodium, 19 g carbohydrate, 1 g fiber, 5 g protein. Diabetic Exchanges: 1-1/2 starch, 1/2 fat.