Nutritional Facts 1 tart (prepared with reduced-fat cream cheese, reduced-fat peanut butter, sugar substitute, reduced-fat sour cream and reduced-fat whipped topping; calculated without chopped peanuts) equals 411 calories, 25 g fat (9 g saturated fat), 25 mg cholesterol, 493 mg sodium, 35 g carbohydrate, 3 g fiber, 13 g protein.