Chicken and Sausage Gumbo

Name: Chicken-and-Sausage Gumbo
Ingredients: 1 whole, bone-in chicken breast with skin (about 1 1/2 pounds); Kosher salt and freshly ground pepper; 1 tablespoon vegetable oil; 1 pound andouille sausage links; 2 celery ribs, cut into 1/3-inch dice; 1 red bell pepper, diced; 1 medium onion, diced; 4 garlic cloves, minced; 1/4 cup all-purpose flour; 2 tablespoons tomato paste; 4 cups low-sodium chicken broth; One 15-ounce can diced tomatoes; 3 scallions, thinly sliced; 2 cups cooked white long-grain rice; Tabasco sauce, for serving