There're several types of steamed cakes made with rice flour. If you want to learn how to make these traditional delicacies, chwee kueh would be a good start. It doesn't take long and the ingredients are cheap.
Chwee kueh batter is made with rice flour. But that alone would make a rather hard kueh. To soften it, some starch is added. Some people use tapioca flour. I prefer a mix of cornflour