01 - Set oven temperature to 400°F.
02 - Combine olive oil, salt, black pepper, oregano, thyme, and paprika in a small bowl.
03 - Rub the spice mixture over the entire chicken, inside and out; stuff the cavity with lemon halves and smashed garlic cloves.
04 - Place the chicken in the center of a large roasting pan.
05 - Toss halved baby potatoes with olive oil, salt, black pepper, and rosemary; arrange them evenly around the chicken in the pan.
06 - Roast for 1 hour and 10 minutes, basting the chicken with pan juices halfway through, until skin is golden and internal temperature reaches 165°F.
07 - Remove chicken from the oven and let it rest for 10 minutes before carving.
08 - Carve the chicken and plate with roasted potatoes; garnish with fresh parsley and lemon wedges if desired.