– 4 boneless, skinless chicken breast – 1/2 cup all-purpose flour – Salt and black pepper to taste – 2 tablespoons olive oil – 2 tablespoons butter – 8 ounces cremini or button mushrooms, sliced – 1/2 cup Marsala wine – 1/2 cup chicken broth – 1/2 cup heavy cream – 2 tablespoons chopped fresh parsley – 1/4 cup grated Parmesan cheese (optional) – Cooked fettuccine or your choice of pasta (for serving)