Potato mousse is a creamy and fluffy side dish that is perfect for any meal. Made with mashed potatoes, butter, cream, and seasonings, this dish is rich in flavor and has a smooth texture. It is a great alternative to traditional mashed potatoes and can be served alongside roasted meats or as a standalone dish. The mousse is easy to make and can be prepared in advance, making it a convenient option for entertaining or busy weeknight dinners.