Nutritional Facts 1 piece with 1 tablespoon sour cream and 1 tablespoon salsa equals 264 calories, 9 g fat (5 g saturated fat), 27 mg cholesterol, 736 mg sodium, 28 g carbohydrate, 4 g fiber, 20 g protein. Diabetic Exchanges: 2 starch, 2 lean meat, 1/2 fat.