
Cook pasta according to package. Making sure pasta is al dente. ( I season my pasta water with a pinch of creole seasoning)
Rinse and clean shrimp ( season with creole, Cajun, lemon pepper, and old bay seasonings. Marinate in fridge until ready to use).
Heat butter on medium high in a non stick skillet. Add sausages, and cook until sausages are starting to brown, about 5 minutes. Remove and set aside.
Add shrimp to the skillet, and cook for 2 minutes on each side. Remove and set aside.
Add 1 tbsp of butter to skillet, and cook onion, bell peppers, and mushrooms until soft. Add garlic, and cook for an additional 1 minute. Remove veggies and set aside.
Melt butter in skillet. Add heavy cream, chicken stock, and diced tomato. Adjust seasonings according to taste. Stir in Parmesan cheese until mixture starts to thicken. Reduce heat, and bring to a simmer.
Add cooked fettuccine pasta, and coat with creamy mixture. Toss in veggies, than sausage, and last the shrimp
Serve with a sprinkle of Parmesan cheese, and parsley if desired.