Instant Pot® Chicken and Sausage Gumbo
1 (14.5 ounce) can diced tomatoes 1 green bell pepper, chopped 1 medium onion, chopped 1 tablespoon minced garlic 1 tablespoon vegetable oil 1 teaspoon cayenne pepper 1 teaspoon Creole seasoning 1 teaspoon dried thyme 1 teaspoon Worcestershire sauce 1 ½ cups sliced okra 1 ½ pounds skinless, boneless chicken thighs,… 2 stalks celery, chopped 2 teaspoons black pepper 4 cups chicken broth ½ cup all-purpose flour ½ cup vegetable oil ½ pound andouille sausage, sliced