1, when you get off the pig's trotters, you must get out of the water to make the "brittle trotters".

2, the temperature must be controlled between the boiling and non-boiling, and the oil on it can be bubbled. If the fire is big, it will rot easily and there will be no brightness.

3. For the first time, 500 grams of salt is added to the new soup every 20 kilograms, and for the second time, 250 grams of salt is added to the old soup every 20 kilograms.