Step 1

Preheat oven to 350 degrees F. Coat a 9- x 13-inch baking dish with cooking spray.

Step 2

In a large bowl, stir together chicken, celery, cheese, sour cream, mayonnaise, water chestnuts, soup, and almonds. Spoon into prepared baking dish.

Step 3

Bake, uncovered, for 30 minutes. Sprinkle onion rings evenly over top and bake 5 more minutes, or until bubbly around edges. Let stand 5 to 10 minutes before serving.