01 - Preheat oven to 430°F (220°C) and line a large baking sheet with parchment paper.
02 - Cut russet potatoes lengthwise into 8 wedges each.
03 - Combine potato wedges, olive oil, garlic powder, paprika, rosemary, salt, and black pepper in a mixing bowl. Toss thoroughly to coat all pieces evenly.
04 - Place seasoned wedges in a single layer on the prepared baking sheet, skin-side down when possible.
05 - Bake for 30 to 35 minutes, turning wedges halfway, until crisp and golden on the edges and tender inside.
06 - Remove from oven. Sprinkle with fresh parsley if desired. Serve immediately while hot.