The main ingredient of black pudding is blood, typically from pigs or cattle. The blood is mixed with other ingredients, such as fat, oats, barley, or rice, and seasoned with spices to create a distinct flavor. This type of sausage is traditionally consumed in various cultures, especially in the British Isles and some regions of Spain and Ireland. Black pudding is often served as part of a traditional breakfast, alongside eggs and bacon, and is enjoyed for its rich, savory taste. It is an acquired taste for many but remains a popular delicacy in numerous countries.