Question: what is pigs blood used for?
Answer: Blood soups and stews, which use blood as part of the broth, include czernina, dinuguan, haejangguk, mykyrokka, pig's organ soup, tiet canh and svartsoppa. Blood is also used as a thickener in sauces, such as coq au vin or pressed duck, and puddings, such as tiết canh.