Ingredients that need to be prepared in advance include: 400 grams of sweet potato flour, appropriate amount of boiling water, and 300 grams of vegetable filling.

The specific methods are as follows: 1. Prepare sweet potato flour.

2. This step is very critical. Roll many pieces of potato starch into fine powder.

3. Prepare boiling water. It must be boiling water. Stir while pouring until the potato starch sticks into lumps.

4. Knead the dough quickly while it is hot. If it is too sticky, it means there is too much water. Continue adding flour until the dough does not stick to your hands and feels fine and smooth.

5. Knead the dough into small pieces of similar size.

6. Knead the small dough into a small bowl shape, or use a rolling pin to roll it into a thin round piece, like a dumpling wrapper.

The skin of Chaoshan Cai Kueh is ready.

7. Add the prepared fillings and close it.

It is quick and easy to make dumplings, round like buns, and try not to make the edges too thick.

8. Steamed Chaoshan vegetable cake.