A traditional Japanese confection (yōkan) made from red bean paste, agar, and sugar; usually sliced and served with tea.
お土産に羊羹を買ってきた。
I bought yōkan as a souvenir.
栗羊羹を薄く切って、緑茶と一緒に出した。
I sliced the chestnut yōkan thinly and served it with green tea.
暑い日は冷やした羊羹がよく売れる。
On hot days, chilled yōkan sells well.
あの店の羊羹は甘さが控えめで人気がある。
That shop's yōkan is popular for its restrained sweetness.