The materials that need to be prepared in advance are: buckwheat flour 300g, pure milk 150g, yeast 3g and sugar 10g.
1. Knead all the materials together 15 minutes.
2. Then knead into a ball and let it stand for half an hour.
3. Roll it out with a rolling pin.
4. Roll it up slowly.
5. Cut into small pieces with a knife.
6. Let's stand for half an hour.
7. Steam in a pot for 20 minutes.
Take it out after 8 or 20 minutes.