The process of boiling pig's trotters jelly is similar to that of boiling skin jelly, but the difference is that after the skin jelly is cooked, the skin does not come out of the pot, but condenses into skin jelly with soup; But after the pig's trotters are frozen, they need to be taken out of the pot and only frozen soup.

In addition, skin jelly only needs to be cooked for about 80 minutes, while pig's trotters need to be cooked for more than 150 minutes.

The specific decoct method comprises that follow steps:

1. Chop pig's trotters, wash them, blanch them to remove foam, and take them out for later use;

2. Prepare peanut oil, onion, ginger, salt, sugar, cooking wine, soy sauce, boiled water, and put pepper into seasoning bag (or seasoning egg).

3, put peanut oil in the pot, add sugar after 70% heat, and after the sugar is browned, add pig's trotters and stir fry.

Add onion, ginger, cooking wine and soy sauce in turn until the trotters are brown, and continue to stir fry. Stir-fry the trotters until brown.

4. Add boiling water, add seasoning bag and start to simmer. During this period, if the water drops too fast, you can continue to add boiling water.

5. After boiling for 120 minutes, add salt and continue cooking for 30 minutes.

6. After removing the pig's trotters and seasonings, put the soup in a corresponding container, air it to about 30 degrees, and put it in the cold storage layer of the refrigerator or other space not higher than 6 degrees Celsius. Refrigerate for 8 hours, and delicious trotters jelly can be served.

When eating, you can cut into pieces, or you can add garlic paste or other seasonings according to your own taste.