2. Accessories: the right amount of oil, the right amount of salt and a little wine.

3. Cut the potatoes into thick strips, remove the head and tail of mung beans, and cut them into 4 sections with a knife. Wash pork liver slices with rice wine. Spare.

4. Stir-fry the potatoes in a hot oil pan until they are 80% cooked.

5. Oil the green beans.

6. Stir-fry pork liver and ginger in the oil pan.

7. Add potatoes and mung beans and mix well. Add a little water until the potatoes are soft. Get out of the pot.

8. Simple stir-fried dishes with bright colors and rich flavors are finished.