For the beef:

• 12 ounces of flank steak (or chuck roast or London broil)
• 1 to 1½ teaspoons of baking soda
• Salt and pepper (to taste)

For the sauce:

• ½ cup of low-sodium chicken stock
• 1 tablespoon of cornstarch (as a thickening agent)
• 1½ tablespoons of oyster sauce
• 1 tablespoon EACH of Shaoxing wine and light soy sauce
• 1 teaspoon of dark soy sauce
• ½ teaspoon EACH of brown sugar and sesame oil
• ⅛ teaspoon of white pepper (to taste)

For the remaining ingredients:

• 1 green bell pepper (cut into thin strips)
• ½ red bell pepper (cut into thin strips)
• 1 medium onion (cut into thin strips)
• 2 tablespoons of neutral oil (like canola, grapeseed, or vegetable oil)
• ½ teaspoon of ginger (minced)
• 2 cloves of garlic