01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - Spread the cubed butternut squash evenly on the prepared baking sheet.
03 - In a small bowl, whisk together maple syrup, melted butter, cinnamon, nutmeg, and salt.
04 - Drizzle the glaze over the squash and toss gently to ensure even coating.
05 - Roast in the oven for 35 to 40 minutes, tossing halfway through, until tender and caramelized.
06 - Beat softened butter and powdered sugar together until light and fluffy.
07 - Transfer roasted squash to a serving dish, add dollops of frosted butter, gently toss to coat, and sprinkle with pecans if desired. Serve warm.