noun
powdered bean paste; dried bean paste
A type of sweet bean paste (あん) that has been dried and ground into a powder, used in Japanese confectionery.
See also: あん
和菓子作りには、さらしあんを使うと便利です。
Using powdered bean paste is convenient when making Japanese sweets.
This ohagi is coated with dried bean paste powder.
あん is the general term for sweet bean paste, while さらしあん specifically refers to the dried, powdered form.
From 晒し (さらし, 'bleaching, exposing') + 餡 (あん, 'bean paste'), referring to the process of drying and powdering the paste.