After cleaning, add water and cook for 15 minutes. However, it will be chewy and difficult to chew. You can also boil it over high heat and then simmer over low heat for an hour and a half. The pig lungs will be easily chewed. .

How to select pig lungs

1. When selecting pig lungs, the ones with pink, smooth, uniform and elastic surface are fresh lungs.

2. Deteriorated lungs are brown-green or gray-white in color and have a peculiar smell and cannot be eaten.

3. Do not eat if you see edema, emphysema, nodules, pus-like nodules and other external abnormalities on the lungs.