noun
buttercream sandwich cookie
A sweet consisting of buttercream or butter-based filling between two cookies or biscuits. Common in Hokkaido souvenir confectionery.
北海道のお土産にバターサンドを買った。
I bought buttercream sandwich cookies as a souvenir from Hokkaido.
このバターサンドはサクサクのクッキーと濃厚なバタークリームが絶妙だ。
These buttercream sandwich cookies have a perfect balance of crispy cookies and rich buttercream.