01 - Set the oven to 430°F and line a large baking sheet with parchment paper.
02 - Slice each potato lengthwise into 8 even wedges.
03 - Combine potato wedges with olive oil, garlic powder, paprika, rosemary if desired, salt, and pepper in a large mixing bowl. Toss thoroughly to coat.
04 - Lay the coated wedges on the prepared baking sheet in a single layer, aiming for skin-side down.
05 - Bake in the preheated oven for 30 to 35 minutes, turning the wedges once halfway through. Bake until edges are crisp and centers are tender.
06 - Remove from the oven, sprinkle with fresh parsley if using, and serve immediately while hot.