01 - Preheat oven to 430°F 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 desired, salt, and black pepper until evenly coated.
04 - Arrange seasoned 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, until potatoes are golden brown, crisp on the edges, and tender in the center.
06 - Remove baking sheet from oven. Sprinkle potatoes with fresh chopped parsley and serve immediately while hot.