01 - Set the oven to 430°F (220°C) and line a large baking sheet with parchment paper.
02 - Slice each potato lengthwise into 8 even wedges.
03 - Place potato wedges in a large mixing bowl and toss thoroughly with olive oil, garlic powder, paprika, dried rosemary if using, salt, and black pepper until all pieces are evenly coated.
04 - Spread the seasoned wedges in a single layer on the prepared baking sheet, skin-side down whenever possible.
05 - Bake for 30 to 35 minutes, turning once halfway through, until the wedges are golden brown, crisp on the edges, and tender inside.
06 - Remove wedges from the oven, sprinkle with chopped fresh parsley, and serve immediately while hot.