25min · 2 servings Main Ingredients 105 oz Beef steak ( ribeye, rump, sirloin or tenderloin ) ( about 300 gram ) 20 cloves Garlic ( chopped ) about 1 tablespoon 50 slices Ginger ( cut in thin matchstick sizes ) 5 Bell pepper 5 Onion ( large sweet/white onion ) 30 Spring onion ( cut into 2" pieces ) 10 Fresh chilli ( cut thin slices ) 30 tbsp vegetable oil Beef Marinade 10 tsp Corn starch 10 tsp Sesame oil 10 tsp Sugar 2.5 tsp Baking soda 10 tsp Light soy sauce Sauce Mixture 20 tbsp Oyster sauce 10 tbsp Light soy sauce 10 tbsp Vinegar ( Rice vinegar or regular white vinegar ) 10 tsp Sugar 10 tsp Corn starch 2.5 tsp White pepper