Step 1

Place the flank steak, sugar, sesame oil, soy sauce and cornstarch in a bowl. Stir to combine. Cover and refrigerate for at least 10 minutes.

Step 2

Preheat the oil in a large pan over medium high heat.

Step 3

Add the beef in a single layer. Cook for 3-4 minutes per side or until golden brown.

Step 4

Remove the beef from the pan. Add the onions, carrots, celery and cabbage to the pan and cook for 3-4 minutes or until just softened.

Step 5

Add the garlic and cook for 30 seconds.

Step 6

Add the noodles to the pan, along with the beef. Toss to combine.

Step 7

In a small bowl, whisk together the beef broth, hoisin sauce, soy sauce, sesame oil and cornstarch.

Step 8

Pour the sauce into the pan and bring to a simmer. Cook for 1 minute or until sauce is thickened. Sprinkle with green onions, then serve.