Ingredients: pigskin.

Accessories: ginger, chives, salt, baking soda.

1, put cold water into the pot, add pigskin, add cooking wine, ginger, chives and water, and cook for five minutes.

2. Take it out, wash it with cold water, scrape off the grease and scrape it clean.

3. shave it all, wash it with salt and baking soda several times, and then wash it with warm water three times.

4. Cut the middle of the pigskin with a knife, string it together with a rope, dry it in the sun, put the cold oil into the dried pigskin and fry it slowly until there are bubbles in the pigskin.

5, fry, soak in water for 4-6 hours, and press with a bowl.