1 tablespoon olive oil, divided |
1 cup thinly sliced celery, about 4 celery stalks |
1 1/2 cups chopped onion, about 1 medium onion |
4 cups chopped fuji apples, about 3 apples |
3 tablespoons finely chopped flat-leaf parsley |
1 tablespoon finely chopped fresh sage |
1 tablespoon finely chopped fresh thyme |
2 teaspoons finely chopped fresh rosemary |
10 cup (1-inch) cubes from assorted whole-grain bread, toasted until dry |
2 cups coarsely chopped cooked shelled chestnuts |
2 cups cooked crumbled lean sweet italian chicken sausage (optional) |
1 teaspoon salt |
1 teaspoon freshly ground black pepper |
1 large egg, lightly beaten |
3 1/4 cups fat-free, low-sodium chicken broth, heated |
4 tablespoons unsalted butter |