It may often be classified as junk food, but it doesn't have to be.
For example, 1 slice of Sbarro Stuffed Sausage and Peppperoni Pizza has 810 calories, 40 g fat, 73 g carbohydrates and 2,180 mg sodium while a slice of Sbarro New York Style Fresh Tomato Pizza is only 410 calories, 14 g fat, 53 g carbohydrates, and 790 mg sodium.