2. Stir fry until the oil comes out.

3. add ginger slices.

4, potatoes peeled and cut into pieces for use.

5. Duck with potatoes, a spoonful of Laoganma and beer.

6, stir fry evenly, add the right amount of water.

7. Simmer until the juice is collected, add a little salt and mix well.

8. Delicious.