Nutritional Facts One serving (prepared with margarine and low-fat ham and without sour cream) equals 340 calories, 14 g fat (0 saturated fat), 25 mg cholesterol, 865 mg sodium, 39 g carbohydrate, 0 fiber, 15 g protein. Diabetic Exchanges: 2 starch, 2 fat, 1 meat, 1 vegetable.