Shrimp And Sausage Gumbo

Name: Shrimp And Sausage Gumbo
Ingredients: 1 pound smoked spicy-hot sausage (such as Conecuh), cut into ½-inch-thick slices; .5 cup salted butter; .5 cup all-purpose flour; 2 medium-size yellow onions, chopped (about 3 cups); 1 large green bell pepper, chopped (about 1 ½ cups); 3 large celery stalks, chopped (about 1 cup); 3 garlic cloves, minced; 2 (32-oz.) cartons chicken broth; 1 pound fresh okra, trimmed and cut into ½-inch pieces (about 2 ¾ cups); (14.5-oz.) can petite diced tomatoes, undrained; 3 bay leaves; 2 teaspoons salt; 2 teaspoons Worcestershire sauce; 2 teaspoons hot sauce; 1.5 teaspoons dried thyme; 1 teaspoon black pepper; 2 pounds unpeeled raw medium shrimp, peeled and deveined; .25 cup chopped fresh flat-leaf parsley; Hot cooked rice; Sliced scallions, filé powder (optional)