Soak fish maw and dried scallop together for 30 mins.Drain and cut the dried scallop into big strips. Soak black fungus in another bowl for 5 mins. Drain and cut

Remove the skin of winter melon and cut into cubes.

Heat wok and add oil. Stir fry garlic, ginger. Then fish maw and scallop stir fry a little bit longer. Then add in tomato and the rest of the ings. Add 1 cup water and oyster sauce. Cover and simmer until melon is soft.