Preheat oven to 400°F (200°C).
In a bowl, whisk together harissa, honey, Greek yogurt, olive oil, garlic, paprika, salt, and pepper.
Pat the chicken dry and place it in a baking dish or on a lined sheet pan. Pour the marinade over the chicken and toss to coat. Marinate 30 minutes to overnight, or bake right away if short on time.
Bake uncovered 25-30 minutes for boneless pieces, or 35-40 minutes for bone-in thighs or breasts (internal temp should reach 165°F). Optional: broil the last 2-3 minutes for caramelized edges.
Let rest 5 minutes, then drizzle with lemon juice and top with fresh herbs if using.