01 - Set the oven to 425°F and line a baking sheet with parchment paper.
02 - In a large bowl, combine harissa paste, olive oil, smoked paprika, cumin, sea salt, and black pepper; mix thoroughly.
03 - Add the prepared carrots to the bowl and toss until evenly coated with the marinade.
04 - Spread the carrots in a single layer on the lined baking sheet.
05 - Roast for 25 to 30 minutes, turning once halfway, until tender and caramelized on the edges.
06 - Transfer carrots to a serving dish; garnish with fresh herbs, sesame seeds or pistachios, and a squeeze of lemon if desired.