In a small bowl, make the sauce by whisking together chicken broth, oyster sauce, soy sauce, ginger, garlic, cornstarch, and sesame oil until well combined.
Cook lo mein noodles according to package directions.
Meanwhile, heat sesame oil in a large skillet over medium high heat. Add beef into skillet and season with salt and pepper. Cook until beef is browned, about 4- 5 minutes.
Add in peas, carrots, bean sprouts, red bell pepper, and cabbage and cook until veggies are tender and the beef is completely cooked through, about 5 to 7 minutes.
Pour sauce over veggies and let cook 2 to 3 minutes, stirring constantly.
Add in cooked noodles and toss to combine. Garnish with sliced green onion.
