1Heat oven to 400°F. Spray 2- to 3-quart casserole with cooking spray.
2Cook pasta as directed on package, using minimum cook time. Drain and return to saucepan. Add soup, chicken and 1 cup of the cheese to pasta in pan; stir to combine. Spoon into casserole. Sprinkle remaining 1/2 cup cheese over top.
3Bake uncovered 8 to 10 minutes until thoroughly heated and cheese is melted. Garnish with parsley.