Preheat your oven to 425°F (220°C).
Pat the chicken dry with paper towels.
Rub olive oil all over the chicken.
Season the chicken generously with salt and pepper.
Squeeze lemon juice over the chicken and place the halves inside the cavity.
Stuff crushed garlic and fresh herbs inside the cavity.
Arrange chopped vegetables in the roasting pan.
Place the chicken on top of the vegetables.
Roast in the preheated oven for 1 hour and 15 minutes.
Let the chicken rest for 10-15 minutes before carving.