Success!

New baking powder, new flour, and a whole lot less brutal whipping of the batter.

Et voila! Easy-peasy! Steamed banana cake! At least, it's risen! Haha! We'll see whether the taste made all this worthwhile. *waiting impatiently for cake to cool down*

Meanwhile, I've also gotten some green tea powder from the baking shop. Next on the list - Green Tea Steamed Cake!