Knead white sugar, flour, yeast and water into a dough and ferment it for 3 hours. Cut it into small pieces and put it in a steamer to ferment for another 15 minutes. The sweet steamed buns will be sweet and soft. The specific method of making sweet steamed buns is as follows:

Ingredients that need to be prepared in advance include: 500 grams of flour, an appropriate amount of white sugar, an appropriate amount of yeast, and an appropriate amount of water.

1. Knead sugar, flour, yeast and water together to form a dough, as shown in the picture below.

2. Knead the dough and ferment it for 3 hours, and wait patiently.

3. After fermentation for 3 hours, take out the dough and sprinkle dry flour on the chopping board, as shown in the picture below.

4. Remove the air holes in the dough, as shown in the picture below.

5. Knead the dough into a long strip, as shown in the picture below.

6. Cut into small pieces and coat the cut pieces with dry flour.

7. Place oiled paper in the steamer and put the dough into the second fermentation for 15 minutes, as shown in the picture below.

8. After fermentation is completed, steam over high heat for 12 minutes, as shown in the picture below.

9. When the time is up, take it out and the sweet steamed buns are completed.