1. Prepare the required raw materials.
2. After washing the yam, put it in a pot and steam it.
3. After peeling off the skin of the steamed yam, press it into a puree while it is hot.
4. Add fine sugar, yeast, and a little water to the yam puree and mix well.
5. Add flour and rice flour, mix and mix well.
6. Stir in a clockwise direction to form a slightly thick batter, and leave it in a warm place to ferment once. The time is about 40 minutes.
7. Soak the rose petals in salt water for 20 minutes and then wash them off.
8. Cut the rose petals that have been washed and dried in water.
9. Take out the fermented batter, add the rosettes and mix well.
10. Put it into the mold and put it in the steamer for the second proofing, the time is about 20 minutes. After the proofing is complete, turn on high heat to steam, turn off the heat for 10 minutes after SAIC, and steam for 2 minutes before taking it out.
