01 - Preheat the oven to 425°F and line a large baking sheet with parchment paper.
02 - In a large bowl, combine sweet potato cubes with olive oil, cinnamon, salt, and pepper until evenly coated. Add maple syrup or honey and nutmeg if desired.
03 - Spread the coated sweet potatoes in a single layer on the prepared baking sheet.
04 - Roast for 25 to 30 minutes, turning halfway through, until golden brown and tender.
05 - Serve warm, optionally garnished with a sprinkle of cinnamon.