01 - Preheat oven to 425°F. Line a large baking sheet with parchment paper.
02 - In a large bowl, toss sweet potato cubes with olive oil until evenly coated.
03 - In a small bowl, mix together cinnamon, nutmeg (if using), salt, and brown sugar.
04 - Sprinkle the cinnamon sugar mixture over the sweet potatoes. Toss well to coat evenly.
05 - Spread sweet potatoes in a single layer on the prepared baking sheet.
06 - Roast for 30–35 minutes, stirring once halfway through, until sweet potatoes are golden and tender.
07 - Serve hot, optionally garnished with fresh herbs or a drizzle of maple syrup.