Heat oven to 425 degrees. Spray large cookie sheet with cooking spray. In plastic bag, shake potatoes with oil until well coated. Arrange in single layer on sprayed cookie sheet. Bake at 425 degrees; 15 minutes; carefully turn. Sprinkle lightly with seasoned salt. Return to oven and bake for an additional 5 minutes or until tender. If desired, broil 1 to 2 minutes for additional browning.