2. Peel and dice potatoes, and prepare ginger, garlic, dried red pepper and pepper.
3. Put oil in a hot pan. After the oil is hot, add dried red pepper, pepper and ginger and garlic slices in turn and saute until fragrant.
4. Pour in the marinated chicken wings and stir-fry until the color changes.
5. Add potato pieces, stir-fry until the bottom of the pot is sticky, and then add water that has not touched the surface of the food.
6. Transfer in soy sauce, soy sauce, drop 2 drops of vinegar and add a little sugar. After the fire is boiled, cover it and simmer until cooked.
7. Add a little salt to taste, and change the fire to collect the juice.