National Cassoulet Day is observed in the United States every January 9, celebrating the hearty French dish known as cassoulet. This rich dish, originating from the southern French region of Occitanie, particularly the commune of Castelnaudary, is made from white beans, meat, and pork skin, resembling a combination of a stew and a casserole. Traditional variations include duck confit in Castelnaudary, pork and mutton in Toulouse, and a version with more mutton and partridge in Carcassonne. While cassoulet is a staple in French cuisine, it has also influenced North American cooking, where any hearty bean stew or casserole may be referred to as cassoulet. The day encourages people to enjoy this warming dish, especially during the cold winter months.