01 - Preheat the oven to 400°F.
02 - In a large bowl, combine olive oil, sumac, cumin, smoked paprika, coriander, salt, and black pepper. Mix until a smooth paste forms.
03 - Add the chicken thighs to the spice mixture and turn to coat evenly, ensuring the skin and underside are well covered. For deeper flavor, refrigerate and marinate up to 2 hours.
04 - Scatter the sliced carrots, drained chickpeas, red onion, and minced garlic in a roasting pan or large baking dish. Drizzle lightly with olive oil, season with a pinch of salt, and toss to combine.
05 - Place the seasoned chicken thighs skin-side up on top of the vegetable mixture in the roasting pan.
06 - Roast for 40–45 minutes until the chicken skin is golden and crisp, the internal temperature reaches 165°F, and the carrots are fork-tender.
07 - Remove from the oven, sprinkle with chopped fresh parsley, and serve with lemon wedges alongside rice, couscous, or warm flatbread.