菠蘿包bō luó bāopineapple bun, a sweet bun popular esp. in Hong Kong (typically does not contain pineapple – the name comes from the rough top crust which resembles pineapple skin)
菠蘿油bō luó yóupineapple bun 菠蘿包|菠萝包[bo1 luo2 bao1] with a slice of butter inserted