Andouille Sausage and Smoked Chicken Gumbo Recipe

Name: Andouille Sausage and Smoked Chicken Gumbo Recipe
Ingredients: 2/3 cup butter, divided; 1/2 pound andouille sausage, halved lengthwise and cut into 1/4-inch-thick slices; 3/4 cup all-purpose flour; 1 green bell pepper, finely chopped; 1 large onion, finely chopped; 3 celery ribs, finely chopped; 4 garlic cloves, minced; 1 teaspoon table salt; 1 teaspoon freshly ground black pepper; 4 cups chicken broth; 1 (14.5-oz.) can diced tomatoes; 1 teaspoon dried oregano; 1 teaspoon dried thyme; 2 bay leaves; 2 1/2 cups shredded chicken from rotisserie chicken; Garnish: sliced green onions