Peel, rinsed and towel dry your potatoes. Using crinkle cutter, cut potatoes in matchstick size. Spray your potatoes with the cooking spray lightly just to coat them.
In a large bowl combine salt, pepper and garlic powder and parsley. Sprinkle the potatoes to taste. Place the potatoes on a cooking sheet top with a cooking rack so that the potatoes cook on both sides. Unless you have a baking stone.. Cook until golden brown about 30 minutes. Or to your desired taste.
Meanwhile add ketchup and chipotle powder in a small bowl, Add to a nice serving bowl.. Serve immediately.