ingredients for 30 minutes. Remove and stir-fry with stir-frying seasoning mixture until there is no liquid left. (If button mushrooms are used, soaking and steaming is not necessary. Instead, simmer mushrooms with 2 slices of ginger and 2 shallots for 1 minute.) From "Champion Recipes of the 1986 Hong Kong Food Festival". Hong Kong Tourist Association, 1986.