Best Chicken Noodle Casserole

Preheat the oven to 400°F/200°C. Grease an 8-inch casserole dish. In the casserole dish, add the cooked egg noodles, cooked chicken, frozen peas and carrots, cream of chicken soup, sour cream, and milk or water. Set aside.If you like your casserole with a crunchy topping, mix together the breadcrumbs, melted butter, dried herbs, pepper, and salt in a medium bowl. Sprinkle the top of the casserole with the breadcrumb mixture.Bake the casserole for 15 – 20 minutes, or until the top is bubbling and the breadcrumbs (if using) are toasted.