1. One catty of Muscovy duck, wash clean, dry water
2. Two medium potatoes, peeled
3. Cut thick slices and soak in cold water
4. Raise the frying pan and sauté the ginger slices
5. Stir-fry the duck meat out of water
6. Sprinkle in white wine to get rid of the fishy smell, add old vinegar and sugar to stir fry after smelling the aroma of wine, add two bowls of water after smelling the aroma of vinegar, light soy sauce
7. Add potatoes in
8. Put the lid on, bring to a boil on medium heat, turn to low heat and cook until the potatoes are soft.
9. Heat up the juice, add salt, stir fry
