About 20 minutes.

The chicken liver needs to be cooked for about 10 minutes. Duck liver and foie gras need to be cooked for about 15 minutes. Pork liver should be cooked for about 20 minutes. The above are relatively tender after cooking. If you like to eat older, just cook it for 5 minutes. Pork liver is a very nutritious food. :

The nutritional value of pork liver

1. Pig liver contains a large amount of vitamin A, which is far more than fish, eggs, milk and other foods.

2. Pork liver also contains vitamin C and trace element selenium that are not found in general meat products.

3. Pork liver is rich in protein and cholesterol, and less fat and carbohydrates.

4. Pork liver is rich in trace elements, especially calcium, iron, phosphorus, zinc and potassium.