01 -
Preheat your oven to 350°F (175°C) and grease a baking dish.
02 -
In a large bowl, mix the shredded chicken, cream of chicken soup, sour cream, chopped onion, and diced celery until well combined.
03 -
Spread the chicken mixture evenly in the greased baking dish.
04 -
In a separate bowl, combine the crushed butter crackers and melted butter to create the topping.
05 -
Sprinkle the cracker mixture over the chicken mixture in the baking dish.
06 -
Bake the casserole in the preheated oven for 30-40 minutes or until the top is golden brown and the filling is bubbly.
07 -
Allow the casserole to cool slightly before serving.