1 pound boneless skinless chicken thighs, cut into 2-inch pieces
1 pound andouille sausage, thinly sliced
1 large onion, chopped into 3/4-inch pieces
1 green bell pepper, cut into 3/4-inch pieces
2 stalks celery, cut crosswise into 3/4-inch pieces
One 16-ounce bag frozen sliced okra
1/4 cup long-grain white rice
3 tablespoons Cajun seasoning
One 28-ounce can diced tomatoes
Kosher salt and freshly ground black pepper
Hot sauce and crusty bread, for serving