01 -
Preheat the oven to 350°F. Lightly grease a 9x13-inch baking dish with butter or nonstick spray.
02 -
In a large mixing bowl, stir together shredded chicken, cream of chicken soup, sour cream, and shredded cheddar cheese until evenly combined and creamy.
03 -
Transfer the chicken mixture into the prepared baking dish. Smooth the top with the back of a spoon for even layering.
04 -
Place buttery crackers in a sealed plastic bag and crush them evenly using a rolling pin or hands. Sprinkle the crushed crackers evenly over the surface of the casserole.
05 -
Bake in the preheated oven for 25 to 30 minutes, until the edges are bubbling and the topping is golden brown.
06 -
Remove the casserole from the oven and let it rest for 5 to 10 minutes to allow it to set before slicing and serving.