How to cook roast duck in a five-star hotel to make the skin crispy?

1) Chop the duck into pieces, add a little oil to the pot, pour the duck and ginger into the oil pot, fry for about 3 minutes

2) Add salt, MSG, Garlic, add a little soy sauce, continue to fry for a while, then add 2 tablespoons of low-alcohol white wine, stir-fry briefly and add water until the duck is slightly covered, and cover the pot.

3) Bring to a boil over high heat, then simmer over medium-low heat for 30 to 40 minutes until the meat is tender