01 - Preheat oven to 400°F. Line a large baking sheet with parchment paper.
02 - In a large mixing bowl, toss sweet potato cubes with olive oil, cinnamon, nutmeg, salt, and pepper until fully coated.
03 - Spread the seasoned sweet potatoes evenly in a single layer on the prepared baking sheet.
04 - Roast sweet potatoes for 20 minutes in the preheated oven.
05 - Carefully toss the potatoes, scatter pecan halves over them, then drizzle maple syrup evenly across the mixture.
06 - Return the baking sheet to the oven and roast for an additional 10 minutes until sweet potatoes are tender and caramelized and pecans are toasted.
07 - Serve warm; optionally garnish with extra pecans.