Tofu was first made in China, 2000 years ago. Tofu was introduced into Japan in the Nara period (761-793). At first, "tofu" was called "okabe", and the old cook book referred it as "kabe" (wall) or "shirakabe" (white wall). It was first called "tofu" in the Muromachi period(1392-1573). In the Edo period(1603-1867), tofu became popular among the public. Since about 1965, packaged tofu has been sold. Because of the popularization of supermarkets, packaged tofu rapidly became widespread all over Japan.