Ingredients

• 2 1/2 tablespoons unsalted butter, divided

• 1/3 cup finely diced carrots

• 1/3 cup finely diced onion

• 1/3 cup finely diced celery

• 1 teaspoon thyme, savory, or mixed herbs, or 2 fresh thyme or savory sprigs

• 1 (3 1/2 to 4-pound) chicken

• Kosher salt

• Freshly ground black pepper

• Fresh flat-leaf parsley stems

• Celery leaves

• 6 lemon slices, 1/8-inch thick

• 1/2 cup sliced onion

• 1/2 cup sliced carrots

• 1 tablespoon fresh lemon juice

• 3/4 cup chicken stock or broth