Mongolian Beef

Ingredients

• 1 tablespoon minced ginger
• 1 1/2 tablespoons minced garlic
• 1 bunch spring onion (use white part for stir-fry, reserve green part for garnish)
• 400 g beef, cut into 5mm thick pieces.
• 2 tablespoons Chinese cooking wine
• 0.3 teaspoon salt
• 0.25 teaspoon baking soda
• 0.5 teaspoon black pepper
• 2 teaspoon cornstarch
• 1 tablespoon oyster sauce
• 3 tablespoons soy sauce
• 3 tablespoons brown sugar
• 0.6666666666666666 cup water
• 0.5 teaspoon dark soy sauce