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Also written 州浜
I've seen different recipes, but this seems to remain softer for longer and is easier to make:
50 gr きな粉 (or also 鶯粉)
100 gr powdered sugar
60 gr 米飴
10 gr water
Sieve flour and sugar, boil water and 飴, colour; then pour and knead.
Either roll out the dough to ~ 4' and stencil out; or shape by hand.
To shape the iconic わらび: