01 - Preheat the oven to 425°F. Line a large baking sheet with parchment paper or aluminum foil.
02 - In a large mixing bowl, combine potatoes, carrots, bell pepper, zucchini, and red onion. Drizzle with 1.5 tablespoons of olive oil, then sprinkle with 1 teaspoon of dried Italian herbs, smoked paprika, garlic powder, salt, and pepper. Toss to coat evenly.
03 - Spread the seasoned vegetables evenly on the prepared baking sheet.
04 - Pat the chicken thighs dry. Rub with the remaining 1.5 tablespoons of olive oil and season with 1 teaspoon of dried Italian herbs, smoked paprika, garlic powder, salt, and pepper.
05 - Nestle the chicken thighs skin-side up among the vegetables on the baking sheet.
06 - Roast in the preheated oven for 40 minutes, or until the chicken reaches an internal temperature of 165°F and vegetables are tender and caramelized.
07 - For extra crispy skin, broil for an additional 2 to 3 minutes.
08 - Sprinkle with fresh parsley and serve with lemon wedges.