Preheat oven to 350 and coat a 9×13 baking dish with cooking spray.
In a large bowl, stir celery, cheese, sour cream, mayo and cream of chicken.
Add chicken and almonds. Spoon into dish.
Bake uncovered for 30 minutes.
Sprinkle fried onion and cook another 5 minutes. Let stand 5-10 minutes
Just 10 minutes of prep time and you have a delicious creamy concoction of chicken, celery, and cheese topped with crispy fried onions!