Chicken Noodle Casserole is a comforting dish that combines cooked chicken, egg noodles, and a creamy sauce, often made with cream of chicken soup or sour cream. It is typically baked in the oven until bubbly and golden, making it a popular choice for family meals. This casserole can be customized with various ingredients, such as vegetables like peas or carrots, and topped with cheese for added flavor. It is a convenient option for using leftover chicken and can be prepared ahead of time, making it ideal for busy weeknights.