Wikipedia
Blodplättar
Blodplättar, or blood pancakes (veriohukainen, verilätty or verilettu in Finnish), are a dish served in Finland and Sweden made of whipped blood and other ingredients. It is similar to black pudding, but is thinner and crispier.
Blodplättar may be fried in a frying pan. The pancakes are occasionally served with pork or reindeer meat.
In Swedish, the word may also be used to refer to blood platelets.