Toss sweet potato fries with oil in large bowl. Sprinkle with seasoned salt and rosemary; toss to coat well. Spread in single layer on foil-lined 15x10x1-inch baking pan sprayed with no stick cooking spray.
Bake as directed on package. Immediately sprinkle with Parmesan cheese and parsley, turning to coat evenly. Serve with Rosemary Balsamic Ketchup, if desired.