noun
Taiwanese castella; Taiwanese sponge cake
A light, fluffy sponge cake originally derived from Portuguese castella, popular in Taiwan and often sold as a street food or souvenir.
台湾カステラはふわふわで甘さが控えめだ。
Taiwanese castella is fluffy and mildly sweet.
お土産に台湾カステラを買った。
I bought Taiwanese castella as a souvenir.