Noun
English: cookie sandwich (made from two cookies with something between them)
German: Doppelkeks
Japanese: クッキーサンドイッチ
KLCP:
Notes
qepHom 2015: chabHom is fine as a general term for a cookie (food). A bIQyIn is a specific type of chabHom that's sort of two chabHommey stuck together. They're on top of each other, like a sandwich.