
Pork blood, also known as blood sausage filling or blood curd, is a dark, rich ingredient used in various cuisines worldwide. It has a distinctive, slightly metallic flavor and a smooth, jelly-like texture when cooked. Fresh pork blood appears deep red and coagulates quickly. Pork blood is most popularly used in making blood sausage, which is also known as black pudding or boudin noir.
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Fresh pork blood is highly perishable and needs immediate attention. Ideally, it should be used as soon as possible after collection or purchase. If immediate use isn't possible, refrigerate it immediately at a temperature below 40°F (4°C). To extend its shelf life slightly, consider freezing it in airtight containers or freezer bags. Properly frozen pork blood can last for several months, though the texture may change slightly upon thawing. When thawing, do so in the refrigerator to maintain food safety.