01 - Set oven to 425°F (220°C) and line a large baking sheet with parchment paper.
02 - In a large mixing bowl, toss the butternut squash cubes with olive oil, kosher salt, black pepper, smoked paprika, and cayenne pepper until evenly coated.
03 - Spread seasoned squash in a single layer on the prepared baking sheet.
04 - Transfer to oven and roast for 25 minutes, stirring halfway through to promote even caramelization.
05 - While roasting, combine honey, hot sauce, and red chili flakes in a small bowl.
06 - After initial roasting, remove squash and drizzle with hot honey mixture. Toss gently with a spoon or spatula to coat evenly.
07 - Return squash to oven and roast for an additional 5 minutes until lightly caramelized and sticky.
08 - Transfer to serving dish and garnish with fresh parsley and toasted pumpkin seeds if desired. Serve warm.