1. First, take a bowl of sweet potato powder and mix it into flour paste with a bowl of water.

2. Secondly, take out a steamer and put half of cold water in it.

3. Then in a wok, add 5 bowls of water to boil, pour in the batter, stir it with a spoon until it is thick and translucent, and then pour it into a steamer.

4. Finally, take out a bowl, add salt, chicken essence, soy sauce, vinegar, sugar, Chili oil and shredded mustard, and mix well to serve.