Siopao (simplified chinese: 烧包; traditional chinese: 燒 包; cantonese yale: sīu-bāau; pe̍h-ōe-jī: sio-pau; lit. 'hot bun'; tagalog pronunciation: [ˈʃopaʊ]), is the philippine indigenized version of the cantonese steamed bun called cha siu bao. in mandarin (considered "standard chinese"), it's called baozi. it is popular to both chinese and filipino restaurants and it is commonly part of dim sum cuisine.

Source: Wikipedia