Step 1

Combine the meat with the rice vinegar, soy sauce, and fish sauce and let stand for a few minutes.

Step 2

Heat a nonstick skillet with sesame oil. Sear the meat until browned, about 4 minutes.

Step 3

Meanwhile, bring a pot to boil with chicken broth. Add garlic, chili oil, vinegar, soy sauce, and sugar, stirring to dissolve.

Step 4

Remove from the heat and add the noodles. Let simmer until the noodles are tender, 2 to 3 minutes.

Step 5

Serve topped with the meat, pepper, and green onion.