01 - Preheat the oven to 425°F.
02 - Toss chicken thighs in a large bowl with 1 tablespoon olive oil, smoked paprika, sea salt, and black pepper.
03 - Spread the seasoned chicken thighs evenly over a large baking sheet.
04 - In the same bowl, combine carrots, bell peppers, red onion, zucchini, garlic, rosemary, thyme, and remaining olive oil; mix thoroughly.
05 - Distribute the vegetable mixture around and between the chicken thighs on the baking sheet.
06 - Roast for 40 to 45 minutes, turning vegetables halfway through, until chicken reaches an internal temperature of 165°F and vegetables are tender and caramelized.
07 - Optional: garnish with lemon slices and serve immediately while hot.