Cook pasta per package instructions
Preheat large saute pan for 2-3 minutes on medium-high heat. Add oil and mushrooms and cook 2-3 minutes or until mushrooms are browned.
Add chopped red peppers and chicken. Cook 1-2 minutes to heat through.
Reduce heat to medium-low. Stir in broth and Alfredo sauce. Simmer 3-4 minutes or until mixture has thickened.
Stir in pasta, prosciutto, sage and pepper. Top with Parmesan cheese to serve.