Add sausage and simmer for 30 minutes, stirring occasionally.
Add the onion, bell pepper, celery, and garlic. Stir and cook for 5-6 minutes, until vegetables soften.
In a large pot, heat oil over medium heat, then whisk in the flour. Cook, stirring constantly, until the roux is a deep brown.
Pour in the chicken broth and tomatoes. Season with salt, black pepper, and cayenne pepper. Bring to a boil, then reduce heat.
Serve gumbo over rice, garnished with fresh parsley. Enjoy with family and friends!
Stir in the shrimp and cook until they are pink and cooked through, about 3-5 minutes.