01 - Preheat oven to 425°F.
02 - Line a large baking sheet with parchment paper or lightly grease.
03 - Combine potatoes, red onion, carrots, and garlic in a large mixing bowl. Add half of the olive oil, half the salt, pepper, rosemary, thyme, and paprika. Toss until all vegetables are evenly coated.
04 - Spread seasoned vegetables evenly over the prepared baking sheet.
05 - Rub chicken thighs with remaining olive oil, salt, pepper, rosemary, thyme, and paprika. Arrange chicken thighs, skin-side up, on top of the vegetables.
06 - Roast uncovered for 40 minutes, or until chicken skin is golden brown and potatoes are tender. Broil for 2–3 minutes if a crispier skin is desired.
07 - Remove from oven. Allow to rest 3–5 minutes. Sprinkle with chopped parsley before serving as desired.