Boil the Noodles:
Bring a pot of water to a boil. Add the Sapporo noodles and cook for 2 minutes until loosened.
Drain and rinse under cold water. Toss with a splash of sesame oil and set aside.
Prep the Ingredients:
Dice chili pepper, slice onion and green onions (reserve some for garnish), measure garlic.
Make the Sauce:
In a small bowl, whisk together soy sauce, brown sugar, rice vinegar, sesame oil, and chicken broth. Set aside.
Cook the Ground Beef:
Heat a large skillet or wok over medium-high heat.
Add a drizzle of sesame oil, then the ground beef, sliced onion, and diced chili pepper.
Cook for 5–6 minutes until browned. Drain excess grease and return pan to heat.
Add Garlic & Cabbage:
Stir in the minced garlic and cook 30 seconds.
Add the cabbage mix and stir-fry for 2–3 minutes until slightly wilted.
Toss Noodles & Sauce:
Add the cooked noodles and pour in the sauce.
Toss together for 2–3 minutes until hot and fully combined.
Season with black pepper to taste.
Garnish & Serve:
Stir in most of the green onions.
Serve hot, topped with remaining green onions and optional sesame seeds or chili flakes.