Sheet Pan Roast Chicken with Potatoes Green Beans Olives and Lemon

large lemons

chopped fresh parsley, plus more for garnish

chopped fresh oregano

garlic, minced

olive oil, divided

salt and black pepper

bone-in chicken breasts with the skin

large Russet potatoes, peeled and quartered

green beans (ends trimmed)

pitted Kalamata olives, halved