01 - Preheat the oven to 400°F and line a large baking sheet with parchment paper.
02 - Toss the butternut squash cubes in a large bowl with olive oil, brown sugar, cinnamon, nutmeg, sea salt, and black pepper until evenly coated.
03 - Spread the seasoned squash in a single layer on the prepared baking sheet.
04 - Roast the squash for 30 to 35 minutes, stirring halfway through, until golden brown and tender.
05 - Serve hot, optionally garnished with additional brown sugar or fresh herbs.