01 - Preheat the oven to 430°F (220°C) and line a large baking sheet with parchment paper.
02 - Slice each potato lengthwise into eight uniform wedges.
03 - In a mixing bowl, combine potato wedges with olive oil, garlic powder, paprika, rosemary if using, salt, and black pepper. Toss until evenly coated.
04 - Place the 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 and crisp at the edges and fluffy inside.
06 - Remove from the oven, sprinkle with fresh chopped parsley if desired, and serve immediately while hot.