Boudin Noir is a type of blood sausage traditionally made from pork blood, fat, and various seasonings. It is popular in many countries, particularly in France, where it is often served with onions, apples, or mashed potatoes. The sausage has a rich, dark color and a unique flavor profile that can vary based on regional recipes. This dish is typically encased in natural sausage casings and can be grilled, fried, or baked. Boudin Noir is not only a staple in French cuisine but also has variations in other cultures, such as Spain and Germany, where similar blood sausages are enjoyed.