01 - Preheat oven to 425°F. Line a large baking sheet with parchment paper.
02 - In a large bowl, combine sweet potato cubes, olive oil, brown sugar, cinnamon, nutmeg (if using), salt, and black pepper. Toss thoroughly to coat evenly.
03 - Spread the seasoned sweet potatoes in a single layer on the prepared baking sheet.
04 - Roast for 25 to 30 minutes, stirring once halfway through, until tender and caramelized around the edges.
05 - Serve immediately, optionally garnished with additional cinnamon or fresh herbs.