In a small bowl, combine the pepper, garlic salt, Cajun seasoning, and bay leaf and mix well; set aside. In a large pot, heat the vegetable oil over high heat. Add the onions, celery, and green peppers and stir. Add the flour and stir until blended. Add the chicken broth and stir until smooth. Add the tomatoes, tomato paste, and okra and stir until mixed well. Add the hot sauce and seasoning mixture and mix well.