01 -
Preheat oven to 350°F and grease an 11×7-inch casserole dish to prevent sticking.
02 -
In a large bowl, mix cooked diced chicken, celery, grated onion, mayonnaise, condensed cream of chicken soup, lemon juice, black pepper, shredded cheddar cheese, chopped water chestnuts, and slivered almonds until fully blended.
03 -
Taste the mixture and add salt as desired, generally between 1/4 and 1/2 teaspoon, to balance flavors.
04 -
Spread the combined mixture evenly into the prepared casserole dish.
05 -
Evenly sprinkle crushed potato chips over the top to create a crispy crust.
06 -
Bake for 25 minutes or until the topping is golden brown and the casserole is heated through. Serve warm.