Baked Dressing with Sausage

1lb. ground  turkey sausage
1 cup chopped celery
2 large onions, chopped
10 cups seasoned bread crumbs
2 3/4 cups chicken broth
1 1/2 teaspoons poultry seasoning
1 teaspoon sage
Preheat oven to 325 degrees F (165 degrees C). Place sausage in a deep skillet. Cook until browned. Add celery and onions in a large, deep skillet. Cook over medium high heat until tender. Drain, and set aside. In a large bowl combine celery mixture with bread crumbs, chicken broth, poultry seasoning and sage. Mix well and transfer to a 9×12 inch baking dish. Bake, covered, for 45 minutes or until well set and cooked through.