01 - Preheat oven to 430°F and line a large baking sheet with parchment paper.
02 - Cut each potato lengthwise into 8 wedges using a large knife.
03 - In a mixing bowl, toss potato wedges with olive oil, garlic powder, paprika, rosemary if desired, salt, and black pepper until potatoes are evenly coated.
04 - Place seasoned wedges on the prepared baking sheet in a single layer, arranging skin-side down when possible.
05 - Bake for 30 to 35 minutes, turning the wedges once halfway through, until golden, crisp on the edges, and tender inside.
06 - Remove wedges from the oven, sprinkle with fresh parsley if desired, and serve immediately.