Heat oil in large sauté pan. Add mushrooms and cook 2-3 minutes. Add chopped red peppers and chicken strips and cook 1-2 minutes to heat. Reduce heat to low. Stir in broth and Alfredo sauce; simmer 3-4 minutes or unit mixture thickens. Stir in pasta, prosciutto, sage, and pepper. Top with Parmesan cheese and serve.