1. Tartary buckwheat flour and ordinary flour are mixed according to the ratio of 1:4, add milk powder, and mix well;
2. Melt brown sugar with warm water and stir evenly;
3. Add the mixed tartary buckwheat flour to the yeast and mix evenly. Slowly pour the brown sugar water into the tartary buckwheat flour. Stir while pouring, stir it into a flocculent shape, knead thoroughly, knead it into a smooth dough, leave it for 1 hour to ferment ；
4. Take out the dough and continue to knead the dough repeatedly to fully exhaust the air, divide the dough into small dough pieces of moderate size, and knead them round;
5. Bring the water to a boil, put it in a steamer, steam for about 30 minutes, and take it out after steaming;
6. The buckwheat brown sugar buns are complete!
