1.
Heat the butter in a deep cast iron pot over medium heat, then add the flour, stirring constantly to make a dark roux. Do not burn the roux.
2.
Add the chopped vegetables to the roux and saute until tender, approx. 5-7 minutes.
3.
Add the cream of mushroom soup and blend thoroughly.
4.
Slowly add the water until you have a thick mixture, then add the seasonings to taste. Cook over low heat for approx. 15 minutes.
5.
Add the shrimp and sausage and continue cooking over low heat for another 10-15 minutes. Serve immediately.