1. Wash: Wash with clear water first, then take out and add salt, knead well and add vinegar. At this time, salt and vinegar react. The intestines are clean and the mucus on them is gone. Rinse with clear water and cut into the shape you want.

2. Pickling: Marinate for about 2 hours according to your local taste.

3, baking: raw baking: wearing a string after pickling, directly getting angry, gluten, fresh and fragrant. Roast after steaming: first steam in the pot until soft and rotten. Take it out and brush it with sesame oil, then put it on for skewering. This baking method is suitable for people with bad teeth and is fast. It tastes tender and fragrant. Roast after frying: dry fry the steamed casing in an oil pan until it is crisp, and then bake it, which is characterized by crispy outside and fragrant inside.