In cast iron Dutch oven, brown sausage, removed and set aside
in same pan brown chicken (add bit of EVOO if needed), remove and set aside
Add to drippings (add tbsp. EVOO if needed) onion, peppers and celery, season with S/P and cook until almost tender
Add garlic and cook another minute
Add flour and cook one more minute
Add sausage, chicken and remaining ingredients except for shrimp
Bring to boil and reduce to simmer, covered for 30 minutes
Add shrimp, cook about 8-10 minutes more