Cook pasta as directed on package.
While pasta is cooking, make Alfredo sauce by adding milk, broth and garlic to the skillet on LOW-MEDIUM heat. Add salt and pepper.
Add heavy cream and Parmesan to the sauce and whisk until combined. Simmer for a few additional minutes until the sauce thickens.
Add sausage slices and simmer for a few additional minutes (or until sausage is heated through).
Add cooked noodles to the skillet and mix until combined.
Garnish with fresh, chopped parsley and or additional Parmesan cheese.