Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper for easy cleanup.
Peel the sweet potatoes and cut them into evenly sized 1-inch chunks to ensure uniform roasting.
In a large mixing bowl, toss the sweet potato chunks with olive oil, cinnamon, salt, and pepper until they are well coated.
Spread the coated sweet potatoes in a single layer on the prepared baking sheet, ensuring they don't overcrowd for even roasting.
Roast in the oven for 25-30 minutes, flipping once or twice, until the edges are caramelized and the sweet potatoes are tender when pierced with a fork.
Remove the baking sheet from the oven and drizzle the sweet potatoes evenly with maple syrup while they are still hot.
Use a spatula to gently toss the sweet potatoes, ensuring they're coated with the sticky glaze and allowing the syrup to caramelize slightly in the oven’s residual heat.
Return the baking sheet to the oven for an additional 5 minutes, letting the glaze set and the edges become crispy now glazed with syrup.
Remove from the oven and transfer to a serving platter, letting them cool slightly so the glaze thickens and becomes glossy.
Serve warm as a comforting side dish, enjoying the tender insides with crisp, caramelized edges coated in the sweet maple glaze.