also: スポンジ・ケーキ
noun
sponge cake
A light, airy cake made with eggs, sugar, and flour, often used as a base for decorated cakes or enjoyed plain.
誕生日にイチゴのスポンジケーキを焼いた。
I baked a strawberry sponge cake for the birthday.
このスポンジケーキはふわふわでおいしい。
This sponge cake is fluffy and delicious.