01 -
Preheat the oven to 350°F.
02 -
In a large bowl, mix together the cooked chicken, onion soup mix, cream of mushroom soup, cream of chicken soup, milk, sour cream, water, rice, salt, and pepper.
03 -
Grease a 9x13-inch baking pan and pour in the chicken and rice mixture.
04 -
Cover with foil and bake for 45 minutes.
05 -
Remove the foil and bake for an additional 15 minutes, or until the top is bubbly.
06 -
Let the casserole rest for a few minutes before serving.