01 - Set the oven temperature to 425°F and line a baking sheet with parchment paper.
02 - Place peeled and cut carrots into a large mixing bowl. Drizzle with olive oil and season evenly with sea salt, black pepper, thyme, and garlic powder if desired. Toss to coat thoroughly.
03 - Spread the seasoned carrots in a single layer on the prepared baking sheet.
04 - Roast carrots for 20 to 25 minutes, turning them once halfway through, until tender, caramelized, and golden.
05 - Transfer roasted carrots to a serving dish. Sprinkle with fresh parsley and lemon zest if desired. Serve warm.