Chop all your leftovers to desired size.
In a large Dutch oven, add olive oil and brown sausage.
After a few minutes, add in flour and cook for 1 minute.
Mix water and Cajun seasoning to form a broth.
Add broth to pot and let simmer till thick.
Slowly add in cream, corn, and mushrooms, and let simmer for 10 minutes.
Season to taste, add potatoes, and simmer for 10 more minutes.
Lastly, add shrimp and cut heat.
Enjoy.