Chiffon Doo is a cafe in Osaka that sells chiffon cake and ice cream. Its signature chiffon cake is made without baking powder, preservatives, or coloring, keeping the flavor of the ingredients intact. The shop opened on January 15, 2015, and customers can also order items from the neighboring Shinsaibashi roastery and Taiyaki Fukuhachi when they visit. It offers takeout shaved ice in summer only.