1:Mix rice flour, tapioca starch, arrowroot starch (can use tapioca starch as a replacement), oil, and water together. Let sit 15 mins. Pour mixture into a oiled metal pan.

2:Place metal pan directly into a large pot of boiling water in a wok so it floats. Cover wok and let cook 4-5 mins

3: Once cooked, remove pan from wok using tongs. Place 河粉 into oiled cutting board.

4: Repeat process a few times. Once cooled, cut into thick strips.

5: Here you can see the layers.

6: Separate each of the layers into individual noodle strands. Marinate beef with a little soy sauce, corn starch, oil. Poach the bok choy in water briefly. Fry the beef.

7: Add noodles and 蠔油，酱油，水 mixture. Mix well by tossing wok. Add vegetables and cook briefly. Serve immediately.