Wash and pad dry the shrimp
Season the shrimp with salt and white pepper
Egg yolk wash the shrimp and coat with corn starch
Pan-fry the shrimp for 3 mins on each side. set aside.
Cook nagaimo in boiling water for about 2 mins and wash it with cold water
Heat up the clean wok, add oil when it gets hot
Add sliced ginger and garlic
Add shiitake mushroom, stir it until brown-ish
Add nagaimo, shrimps, and stir for 2 mins. add chicken broth, cook with the lid on for about 2 mins
Transfer everything to a plate and keep the sauce in the wok
Add the three sauce mix, and corn starch, water mix. low heat cook until the sauce thicken.
Add sauce to the plate, garnish with green onions.