Wagashi is the general term for traditional Japanese confections, and one of its defining features is a close relationship with the calendar. A good wagashi shop changes its offerings through the year, with sweets shaped and colored to match cherry blossoms in spring, hydrangeas in the rainy season, maple leaves in autumn, and plum blossoms in winter. The sweet is meant to be eaten with the eyes as much as the mouth.
Many wagashi are built around anko, a sweetened paste made from azuki beans, which can be smooth or left chunky depending on the recipe. Mochi, a pounded rice cake, often wraps around the paste or stands on its own, dusted with kinako soybean flour or dyed in seasonal colors. Wagashi tends to be far less sweet than Western style desserts, designed to balance the bitterness of matcha rather than overwhelm it.
Namagashi, a category of fresh, delicate wagashi, is strongly tied to the Japanese tea ceremony. These sweets are often sculpted into miniature representations of flowers, leaves, or landscape scenes, changed seasonally, and eaten just before drinking thick matcha so the sweetness offsets the tea's bitterness.
Wagashi making is treated as a serious craft, with some shops training apprentices for years before they are allowed to shape sweets for sale. Kyoto in particular has a long running reputation for high end wagashi, supported by centuries of tea ceremony culture and an imperial court that once demanded seasonal refinement in everything served to it.
Beyond the elegant namagashi served with tea, wagashi also includes everyday treats like dorayaki, a pancake sandwich filled with red bean paste, and taiyaki, a fish shaped cake usually filled with the same anko. These versions are cheap, sold from street stalls and convenience stores, and far more a part of daily snacking than the ceremonial pieces.
A box of wagashi makes a common gift in Japan, often purchased when visiting someone's home or returning from a trip, since the seasonal design signals real thought went into the choice. Picking the right box for the right month is its own small social skill that most adults in Japan pick up without ever being formally taught.