鮮油包 [鲜－－]

Jyutping sin1 jau4 baau1
Pinyin xiān yóu bāo

Definitions (粵典–words.hk)
  1. 名詞
    茶餐​廳​常見​食物​，​豬仔​包內​夾著​原塊​牛油​。
    Usually seen in cafe (i.e., Cha-chaan-teng) in Hong Kong and Macau. A bun with a complete piece of butter.