01 - Preheat oven to 425°F. Line a large baking sheet with parchment paper.
02 - Place all chopped root vegetables into a large mixing bowl.
03 - In a small bowl, whisk together olive oil, ground cumin, ground coriander, smoked paprika, ground cinnamon, sea salt, and black pepper.
04 - Pour the spiced oil over the vegetables and toss thoroughly to ensure even coating.
05 - Spread vegetables in a single layer on the prepared baking sheet.
06 - Roast for 35 to 40 minutes, stirring once halfway through, until vegetables develop caramelized edges and are tender inside.
07 - Transfer the roasted roots to a serving dish. Garnish with chopped parsley and toasted pumpkin seeds if desired. Serve warm.