Asín tibuók is a rare, artisanal sea salt from the Boholano people in the Philippines, made by filtering seawater through the ashes of charred coconut husks, resulting in a sharp, earthy flavor with smoky and fruity undertones.

Asin tibuok, nicknamed the dinosaur egg, is one of the rarest salts in the world. In the 1960s, salt-making families in the Philippine island of Bohol would trade it for food and other goods. But the craft nearly disappeared in the late 20th century when...