Twice. How to make Tongchuan glutinous rice balls, first knead them into pieces and steam them in a pot. If the glutinous rice noodles are dry, pour cold water and continue steaming. Steam for about ten minutes and wait for the glutinous rice noodles to become chewy before putting them into the prepared cold water basin. In order to make the taste better It is so strong that it needs to be steamed twice in one shot. Tongchuan glutinous rice is a special delicacy in Tongchuan City, Shaanxi Province.