In large skillet over medium-high heat, melt butter; add chicken, mushrooms, onion and basil. Cook 5 minutes or until chicken is thoroughly cooked and mushrooms and onion are tender. Reduce heat to low.
Meanwhile, prepare pasta according to package directions.
Add cream to chicken mixture; heat just to boiling.
Stir in Parmesan cheese until smooth; season to taste with salt and pepper.
Toss hot pasta and sauce; sprinkle with parsley.
Servings 0