Japan; tsukimi tradition documented from the Heian Period (794–1185 CE); the moon-viewing festival was influenced by the Chinese Mid-Autumn Festival but developed its own character in Japan.
Tsukimi — 'moon viewing' — is the Japanese autumn festival celebrating the harvest moon (typically September or October), and tsukimi dango — simple white rice flour dumplings offered to the moon and eaten while viewing it — are its central culinary preparation. Unlike many seasonal foods that are complex preparations, dango are among the simplest things in Japanese cooking: glutinous rice flour (mochiko or shiratamako) mixed with warm water, formed into spheres, boiled, and skewered in groups of three or five. The simplicity is the point — dango are the humble offering to the moon, and their whiteness is symbolic of the full moon itself. Served with a mitarashi (sweet soy sauce) glaze or simply plain, tsukimi dango represent the Japanese aesthetic value of mono no aware — the beauty of transience — more completely than almost any other food.
Shiratamako (high-quality glutinous rice flour made from waxy rice that has been washed and dried before milling) produces the silkiest dango — mochiko (regular glutinous rice flour) is acceptable Water temperature: warm water (not hot) dissolves the flour smoothly without pre-cooking it Consistency: the dough should be like soft earlobe — not sticky, not stiff; this test is traditional and accurate Boil in plenty of water — dango need room to float; crowded dango stick together They are done when they float to the surface and remain there for 2 minutes — the float signals complete cooking through For mitarashi glaze: soy sauce, sugar, water, and cornstarch cooked until thick and glossy; the glaze should coat the dango and set slightly
Adding a tablespoon of regular (non-glutinous) rice flour to the mixture gives a slightly firmer dango that holds up better to the mitarashi glaze For the most beautiful presentation: serve on a round white plate with a small seasonal arrangement of autumn flowers (susuki grass is traditional) beside the skewers Dango can be made with natural colour additions — matcha for green, sakura powder for pink — creating visually striking seasonal presentations
Over-working the dough — produces tough dango; mix only until smooth Too little water — dry dough makes dense, hard dango; the earlobe test is reliable Over-boiling — dango become loose and fall apart; the float signal is the correct indicator of doneness Not skewering in the correct number — three for tsukimi (representing heaven, earth, and human), five for regular dango; numbers are traditional Mitarashi glaze too thin — it should coat and cling, not run off; use sufficient cornstarch