síu jyū náaih wòhng bāau
小 is small, 豬 is pig, 奶 is milk, and 黃 is yellow, so 嬭黃 is milk yellow or custard, and 嬭黃包 is custard bun, so altogether 小豬奶黃包 is piglet custard bun.
Steamed custard buns shaped to look like piglets.
custard bun
bunny custard bun
molten custard bun