Combine the chicken powder and 1 cup water. Stir and set aside.
Heat a wok or pan. Pour-in the cooking oil.
When the oil turns hot, sauté the ginger and green onions for 30 seconds.
Add the deep fried tofu, salted black beans, and straw mushrooms. Cook for 2 minutes.
Add the sherry wine and oyster sauce . Stir.
Pour-in the water and chicken powder mixture. Let the liquid boil. Continue to cook for 2 to 5 minutes.
Pour-in the cornstarch and water mixture. Stir and cook for a minute or until the sauce thickens.
Transfer to a serving bowl. Serve.
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