1. When making rice cakes, the first fermentation is 8 hours and the second fermentation is 20 minutes. Mix sticky rice flour, yeast powder and sugar together, add warm water, stir, seal with plastic wrap and put in the refrigerator.

2. The first fermentation is 8 hours. After fermentation, it is poured into the rice cake mold for fermentation for 20 minutes, and then steamed in a steamer for 15 minutes.