Stuffed Turkey Breast

Name: Stuffed Turkey Breast
Ingredients: 2 tablespoons butter; 1 large onion, diced; 2 stalks celery, diced; 3 cloves garlic, minced; Kosher salt and freshly ground pepper; 2 sweet Italian sausages (8 ounces), casings removed; 3/4 cup dried cranberries; 1 tablespoon chopped fresh sage; 1 tablespoon chopped fresh rosemary; 1 tablespoon chopped fresh thyme; 1/2 cup white wine; One 1-pound French rustic loaf, cut into 1-inch cubes, dried or toasted (or 9 cups store-bought); 1 cup chicken broth; 1 egg, beaten; 3 tablespoons chopped fresh flat-leaf parsley; One 4-pound turkey breast, boned and butterflied; Olive oil