Introduction to Southeast Asian Zeng Cake: Zeng Cake is steamed with glutinous rice, kidney beans and red dates. The glutinous rice is soaked in jujube color and has a fresh crimson color. There is a layer of kidney beans on top, which is coffee brown, and the upper layer is dark. The red date paste is sprinkled with a layer of green raisins at the end, which is soft and chewy, absolutely tempting.