Heat up a wok for a few minutes on high heat until it is really hot, you can do a water splash test. If the water evaporates quickly, it’s ready to go.
Add about 1 tbsp of oil, and add the chicken, cook it through for a minute or two until the chicken fat is rendered and they are done thoroughly, take it out of the wok.
Add another 1 tbsp of oil and toss the shrimp into the oil, and cook halfway through for a minute, then set it aside.
Add another 1 Tbsp of oil, crack the eggs into the wok, swirl it around, and scramble it When the egg is almost set, scrape the egg into one side of the wok
Pour the remaining oil into the wok and add the aromatics (shallots, garlic) and cabbages. Cook for a few minutes until the cabbage is translucent.
Lower the heat, add the yu choi stalks, and mix the protein back into the wok.
Add kecap manis, thin soy sauce, salt, and white pepper. Stir a few times and then add about 3-4 tbsp of water
Add the cooked noodles into the wok and yu choi leaves
Try to coat the noodles evenly with the sauce, and cook it until the noodles absorb all the sauce.