Chiarello's Herb Roasted Turkey

INGREDIENTS

• 1 (12 pound) whole turkey
• 3 tablespoons extra-virgin olive oil
• 1 teaspoon salt
• 1/2 teaspoon freshly ground black pepper
• 3 sprigs fresh rosemary
• 2 sprigs fresh thyme
• 2 sprigs fresh sage
• 2 sprigs fresh oregano
• 1 lemon, halved
• 2 carrots, halved
• 4 stalks celery, halved
• 2 (32 ounce) cartons Progresso® chicken broth
• 4 cups water
• 3/4 cup all-purpose flour
• 3/4 cup butter