01 - Preheat oven to 430°F (220°C) and line a large baking sheet with parchment paper.
02 - Using a large knife, cut russet potatoes lengthwise into 8 wedges each.
03 - In a mixing bowl, combine potato wedges with olive oil, garlic powder, paprika, rosemary if desired, salt, and black pepper. Toss until evenly coated.
04 - Place wedges on the prepared baking sheet in a single layer, skin-side down when possible.
05 - Bake for 30 to 35 minutes, turning once halfway through, until wedges are golden, crisp at the edges, and tender inside.
06 - Remove from oven, sprinkle with chopped fresh parsley if desired, and serve hot.