Step 1

Heat 1 teaspoon of the vegetable oil over medium high heat in a large pan.

Step 2

Add the peppers and cook for 3-4 minutes or until just tender. Remove the peppers from the pan and place on a plate.

Step 3

Add the remaining oil to the pan. Season the flank steak with salt and pepper to taste.

Step 4

Increase heat to high. Add the steak to the pan and cook for 5-6 minutes or until lightly browned.

Step 5

Add the garlic and ginger, then cook for 30 seconds.

Step 6

Place the peppers back in the pan with the steak.

Step 7

In a small bowl, whisk together the soy sauce, sugar, 1/4 cup water and cornstarch.

Step 8

Pour the sauce over the steak mixture and bring to a simmer. Cook for 2-3 minutes or until sauce has just thickened, then serve.