A casserole dish is a deep, oven-safe container used for baking and serving a variety of dishes, typically made from materials like glass, ceramic, or metal. These dishes often come with a lid, which helps retain moisture and flavor during cooking. Casserole dishes are ideal for preparing meals that require longer cooking times, such as casseroles, lasagnas, and baked pasta. Casserole dishes are versatile and can be used for both cooking and serving. They are available in various sizes and shapes, making it easy to find one that fits your needs. Many people enjoy using casserole dishes for potlucks and family gatherings, as they can be easily transported and keep food warm.