Wash potatoes; pat dry with paper towels. Cut into 1/4" thick strips; transfer to a large bowl.
Add dressing and grated topping; toss well.
Arrange potatoes in single layer on a large baking sheet sprayed with cooking spray. Spray potatoes with cooking spray.
Bake 12 minutes.
Turn potatoes over the large spatula. Continue baking 10-12 minutes or until golden brown and crisp.