Mizu Yokan

Bahan-bahan (1 porsi)

• 14 oz sweet red bean paste (anko)
• 1½ cups water
• 4 g kanten (agar) powder ((1 stick packet; see Notes))
• ⅛ tsp Diamond Crystal kosher salt
• 1 jar kuri kanroni (chestnuts in heavy syrup) ((7 oz, 200 g))