Wash the ½ duck with ginger, vodka, and salt.
Add the ½ duck, 1 whole onion, ginger, water, 2 tablespoon salt, and rock sugar to a pot.
Let cook for 45 minutes.
Remove the duck and place it in cold water to cool.
Remove the onion from the broth.
Season the broth with more rock sugar, chicken powder, and MSG to taste.
Add the sautéed bamboo shoots and fried shallots to the broth.
Slice the duck and serve over noodles with the broth and garnishes.