Heat oven to 350°F
Squeeze juice of 1 lemon on chicken. Allow to sit for 10-15 minutes.
Rinse lemon soaked chicken with cold water.
Coat large pan with with ~ 1 TBS of olive oil.
Season each side of chicken with salt, pepper and paprika until fully covered. The amount of seasoning is to your liking.
Place chicken into pan, skin side up. Take reserved 1 Tbsp of olive oil. Brush tops of each piece of chicken with a thin layer of oil.
Cover pan with foil and in oven to slowly roast for 2 hours.
Meanwhile, while the chicken cooks, prepare the sumac onions. See below.
After 2 hours of roasting, increase oven temperature to 400°F. Uncover chicken and baste with juices in pan. Place in over for another 20 minutes.