Spring oysters, packed with umami before spawning, have been attracting attention in recent years. We visit Hiroshima Prefecture, Japan's largest oyster-producing region, to learn more.

Shiso: a Japanese herb gaining fans worldwide. Refreshing shiso is key in Japanese cuisine, which features a lot of raw fish. See how shiso's leaves, flowers and seeds are all used in oishii dishes.

Rice flour is attracting global attention. After using it for ages to make sweets, Japan employs the latest milling tech to create rice flour for various uses. See how the powder continues to evolve.