Heat a sauté pan over medium heat and add the canola oil.

Add the sliced onions and beef to the pan.

Sear the beef to medium-rare and set aside.

Season with salt and pepper to taste.

In another pan, add the chicken stock and bring it to a simmer.

Add the Lo Mein noodles, shiitake mushrooms, and bok choy. Bring to temperature.

Stir in the Lo Mein base and toss until incorporated; cook for 2 minutes.

Add the julienned carrots and the seared beef and onion mixture. Toss everything together.

Place the noodle mixture in the center of a bowl.

Top the noodles with the beef and vegetable mixture, building height as desired.

Pour any remaining sauce over the noodles.

Sprinkle scallions over the dish for garnish.