2. Add in 1 tsp light soy sauce, 1/2 tsp dark soy sauce, 1 tsp sugar. Stir fry evenly and let filet coat with sauce.
3. Pour in enough hot water covers filet. Add in star anise and ginger slice. Cover the pan with lid.
4. When the water reduces to 1/3, turn to high heat. And flip the fillet over till sauce condensed.
5. Place filet in the plate. Pour dark sauce over it and sprinkle some spring onion shreds.