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