01 -
Heat oil in a saucepan over medium heat. Add ground beef and break apart with a wooden spoon. Cook for 3–4 minutes until partially browned but still slightly pink.
02 -
Stir in grated ginger and soy sauce, cooking for 10–15 seconds to release fragrance. Add water and white pepper powder. Cover and simmer for 10 minutes to meld flavors.
03 -
Boil salted water in a large pot. Cook vermicelli noodles until al dente, about 3–5 minutes. Drain immediately and set aside.
04 -
Mix corn flour with cold water until dissolved. Stir slurry into beef mixture and cook for 1 minute, stirring constantly until sauce thickens and becomes glossy.
05 -
Add cooked noodles to the sauce and toss to coat evenly. Garnish with chopped spring onion and drizzle with Chinese dark vinegar and chili oil if desired.