Ingredients: appropriate amount of skin.
Accessories: appropriate amount of onion and ginger, appropriate amount of refined salt, 2 tablespoons of clear vinegar and 2 tablespoons of yellow wine.
1. Wash and bleach the skin.
2. Remove hair and oil.
3. Wash with warm water for 3-4 times.
4. fish it out.
5. Put water in the pot and add onions, ginger and skins.
6. Bring the fire to a boil and cook for about 3 hours.
7. Put it in the basin for half a day in winter.
8. It has been frozen.
9. Cut into pieces.
10, the skin jelly is transparent and stiff.