- In a large saucepan, cook sausage and ground beef over medium heat until meat is no longer pink; drain.
- Add the onion, celery and garlic. Cook and stir for 5 minutes or until tender.
- Stir in the tomatoes, beans, broth, tomato paste, brown sugar, chili powder, Worcestershire sauce, cumin and red pepper flakes. Bring to a boil.
- Reduce heat; cover and simmer for 20 minutes.
- Sprinkle with cheese if you like and serve immediately.