Wagashi Series: Ryuen Rakuseki and Maccha Rakuseki (柳苑: 楽石・抹茶楽石) Ryuen specializes in a simple and elegant wagashi that combines a center of candied kuri (chestnut) embedded in koshian (sweet azuki bean paste) with a coating of sugar and kuzu (arrow root starch), some with the addition of sugary green tea powder (maccha). Ryuen‘s wagashi is decidedly classical in…