Wenlou Tang bao (simplified Chinese: 文楼汤包; traditional Chinese: 文樓湯包; pinyin: Wénlóu Tāng Bāo) is a large tangbao (baozi with soup filling) served in Wenlou, Huai'an, Jiangsu, China. The local residents also call it crab roe tangbao.[1] It is a dish in Huaiyang cuisine.