Sasamaki

Soaked and drained glutinous rice is wrapped in bamboo grass leaves, tied, and boiled in this treat found across Yamagata. The bamboo grass, valued for its antibacterial qualities, made it a natural food wrapper for preserving and carrying food, and the chewy rice takes on the leaf's cool, faint fragrance. In some areas it's boiled instead in lye water, which is said to give the rice grains a springy, jelly-like texture.

Soaked glutinous rice is drained, wrapped in bamboo grass leaves, tied with string, and boiled slowly in hot water, the basic method. To eat it, the leaf is unwrapped and the rice dusted with soybean flour and sugar, it's said. In southern Tsuruoka, it's sometimes boiled instead in the clear liquid from wood-ash lye water, and served with black syrup and soybean flour, it's said.

Bamboo grass leaves are thought to have long been valued for their antibacterial, preservative qualities, making them a natural wrapper for preserved and portable foods. The dish is said to have settled in as a Children's Day food wishing for healthy growth, and the regional differences in how the leaves are folded or what material ties them together are thought to reflect the practical wisdom of using whatever was close at hand.