Crispy Potato Wedges

4 medium baking potatoes
1 tablespoon oil
¼ teaspoon garlic powder
¼ teaspoon salt
¼ teaspoon pepper
Cut each potato into 12 wedges; place in a large bowl. Add the remaining ingredients; toss to coat. Arrange in a single layer in a 15x10x1 inch baking pan coated with nonstick cooking spray. Bake at 425° for 20 minutes. Turn; bake 25-30 minutes or until crisp.