Marinate chicken for about 1 hour in the Italian dressing. Discard the marinade after the marination has completed.
Cook pasta according to box directions
In a large pot heat butter, when the butter melts add the flour. Stir and cook for about 1 minute or until the roux begins to smell nutty. Add cream, parmesan cheese, mozzarella, and salsa. Stir to combine, and once the sauce thickens simmer until the sauce is needed.
Add 1 tablespoon of oil into a large skillet over medium heat. Cook chicken for 5 to 7 minutes, or until done. Remove chicken. Add sliced sausage and sear. Wipe out skillet Sprinkle Tony Chassare seasoning on shrimp. Add another tablespoon of oil to the skillet and cook shrimp just until pink. Remove shrimp. Add oil if necessary, saute onion and green bell pepper and saute until the vegetables are tender.
To assemble, combine pasta, meats, cooked vegetables with the sauce. Serve immediately.