Nutrition Facts: 1 chicken breast half with 2 tablespoons gravy (prepared with reduced-fat butter and reduced-fat sour cream) equals 262 calories, 10 g fat (5 g saturated fat), 115 mg cholesterol, 476 mg sodium, 5 g carbohydrate, trace fiber, 37 g protein. Diabetic Exchanges: 4 very lean meat, 2-1/2 fat.