01 - Preheat oven to 430°F and line a large baking sheet with parchment paper.
02 - Cut each russet potato lengthwise into eight evenly sized wedges.
03 - Place potato wedges in a large mixing bowl and toss with olive oil, garlic powder, paprika, rosemary (if using), salt, and black pepper until coated evenly.
04 - Set the seasoned potato wedges on the prepared baking sheet in a single layer with the skin side facing down when possible.
05 - Bake for 30 to 35 minutes, turning wedges once halfway through, until golden brown and crisp on the edges and tender inside.
06 - Remove wedges from oven, sprinkle with chopped fresh parsley, and serve immediately while hot.