Roasted Chicken

This video recipe for roasted chicken with watercress is dedicated to the late, great Julia Child.

5 lb whole chicken
salt and fresh ground black pepper to taste
3 lemons, halved
4 sprigs thyme
2 sprigs rosemary
6 cloves garlic, crushed, unpeeled
1 onion, sliced
olive oil as needed
1/2 cup chicken stock or broth
2 tbsp walnut or hazelnut oil
2 bunch watercress