Pho Secret Ingredients: Dried Earthworms (Sa Sung) - Viet ...
2011-2-27 · Sipuncula nudus, between 6 and 10 inches long, is the kind employed by cooks in Vietnam and Southern China, primarily in Guangong, Hainan, Guanxi and Fujian. The Chinese names include: beihai shachong (北海沙虫, north sea sandworm) and tusun (土笋, earth bamboo shoot). The worms are sometimes featured in aspic as a Chinese delicacy.
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