01 - Preheat oven to 430°F and line a large baking sheet with parchment paper.
02 - Cut each potato lengthwise into 8 uniform wedges.
03 - In a large mixing bowl, toss potato wedges with olive oil, garlic powder, paprika, rosemary if desired, salt, and pepper until all wedges are evenly coated.
04 - Place coated wedges in a single layer on the prepared baking sheet, keeping the skin side down where possible.
05 - Bake for 30 to 35 minutes, turning wedges once halfway through, until edges are golden and crisp and the interior is tender.
06 - Remove from oven, sprinkle with chopped parsley if using, and serve immediately while hot.