Nutritional Facts 1 burrito with 1 tablespoon sour cream mixture (calculated without salsa) equals 349 calories, 10 g fat (4 g saturated fat), 46 mg cholesterol, 770 mg sodium, 40 g carbohydrate, 5 g fiber, 23 g protein. Diabetic Exchanges: 3 lean meat, 2-1/2 starch.