noun
cupcake; fairy cake
A small cake baked in a cup-shaped mold, often with frosting. The term is a direct loanword from English.
誕生日にカップケーキを焼いた。
I baked cupcakes for the birthday.
このカップケーキはクリームがたっぷりだ。
This cupcake has plenty of cream.
Variant with interpunct; less common but still seen.
マフィン is a muffin, which is typically denser and less sweet than a cupcake, and often lacks frosting.
Borrowed from English 'cupcake'.