Heat oil in a wok over high heat. Once the oil Is hot and shimmery, add garlic and ginger and saute for 4-5 seconds.
Add scallion whites and scallion greens and saute for 6-8 seconds.
Add cabbage, carrots, and bell peppers and saute for 1 minute.
Now add soy sauce, vinegar, hot sauce, salt, and black pepper powder, and mix well.
Add the cooked noodles to the wok and toss well.
Check for salt and pepper and add more if required. Garnish with 2 tablespoons of chopped scallion greens & serve hot.