1. First, pour glutinous rice flour into a basin, add appropriate amount of warm water and knead it into dough, then break the kneaded dough into small pieces, directly press the glutinous rice pieces into cakes by hand, then wrap the red bean paste with the flour cakes, knead it into jiaozi in your hand, pour the water into the pot, and boil the jiaozi with water for about 10 minutes.
2. Take a small dough, knead it into a ball by hand, then knead it into a strip, and cut it into even small doses with a knife.
3. Sprinkle a layer of glutinous rice flour in the basin to prevent it from sticking to the basin. Put the dumplings in, shake them a few times, and let them be evenly covered with glutinous rice flour.
4. Just bag the dumplings, seal them and freeze them.