Cook black beans according to package directions. Brown ground beef and sausage. Drain. Sauté celery and onions in small amount of meat grease. Add meats, celery, onions, broth, basil, Cajun seasoning, pepper and cayenne pepper to the bean mixture. Simmer on top of stove at least 30 minutes. Some water or more beef broth may be added if needed. Serve with your choice of crackers. Note: This soup can be made with all ground beef instead of sausage.