Sausage, Apple and Pear Stuffing with Cranberries

Granny Smith apple, cored and chopped into 1/4-inch cubes

Bosc pear, cored and chopped into 1/4-inch cubes

chopped fresh flat-leaf parsley, plus more for garnish

chopped fresh sage

chopped fresh thyme

kosher salt

cracked black pepper

low-sodium chicken broth

bag cubed country-style stuffing

dried cranberries

large eggs, beaten

Butter, for buttering baking dish

sweet Italian sausage, casings removed

celery stalks, finely chopped (about 2 cups)

small leeks, white and light green parts only, thinly sliced (about 1 1/2 cups)