Cook or soak the rice noodles according to the package instruction then drain and set aside.  Also, clean the beef and season with salt and pepper when you're seasoning remember that the soy sauce contains salt so go easy with the seasoning you can always adjust it. Make sure you thinly slice the beef, you can put the beef in a freezer for about 30 minutes to ease the slicing.

Make the sauce: whisk the brown sugar, soy sauce, red pepper flake, water, salt, and pepper and set aside.

In a pan or wok, oil and heat over high heat, add the sliced beef and cook in a single layer, then flip to cook the other side. If the pan is not big enough cook the beef in batches so divide the oil if you’re cooking in batches.

Remove and set aside repeat the process if you’re cooking in batches.

In the same pan, add coleslaw mix, green onion season with salt and pepper, add oil if you need to. Allow the vegetables to wilt so leave for about 1-2 minutes, add garlic and ginger for a few seconds. 

Reduce the heat the remaining ingredients; beef, rice noodles, sauce and combine. Check the seasoning and readjust as necessary let the mixture warm up.

Garnish with green onion, serve.

Enjoy!