01 - Set oven to 425°F and line a large baking sheet with parchment paper.
02 - In a large mixing bowl, combine sweet potato rounds, olive oil, ground cinnamon, sea salt, and black pepper. Toss until evenly coated.
03 - Place the sweet potato slices in a single layer on the prepared baking sheet, avoiding overlap.
04 - Roast for 15 minutes, then carefully flip each slice and rotate the pan. Continue roasting for an additional 12 to 15 minutes until edges are golden and crisp.
05 - Remove from oven. Optionally, drizzle with honey or maple syrup and sprinkle with chopped fresh parsley. Serve immediately.