01 - Set the oven to 425°F and line a large baking sheet with parchment paper.
02 - Cut the sweet potatoes lengthwise into wedges about ¾ inch thick.
03 - In a large bowl, toss the sweet potato wedges with olive oil, smoked paprika, garlic powder, sea salt, black pepper, and cayenne pepper if using, ensuring even coating.
04 - Place the seasoned wedges in a single layer on the prepared baking sheet, spacing them evenly to promote crispiness.
05 - Bake for 15 minutes, then flip the wedges and roast an additional 15 minutes, or until edges are golden and crispy.
06 - Transfer to a serving platter, sprinkle with fresh parsley, and serve with lemon wedges if desired.