Vietnamese Duck blood soup is best served fresh
If you are into really disgusting delicacies (which I guess you are, since you are here), then here’s a true treat for you! Vietnamese duck blood spoup is best served fresh. In fact, the soup consista of only raw, uncooked duck blood, which is normally flavoured with ginger and some vegetables. Quick, fresh and supposedly very tasty. Yummy!
Source: www.odditycentral.com