STEP 1 - MARINATING THE BEEF In a bowl, add the beef, salt, sesame seed oil, white pepper, egg white, 2 Tablespoon of corn starch and 1 Tablespoon of oil. STEP 2 - STIR FRY First Cook the beef by adding 2 Tablespoon of oil until the beef is golden brown. Set the beef aside In a wok add 1 Tablespoon of oil, minced ginger, minced garlic and stir-fry for few seconds. Next add all of the vegetables and then add sherry cooking wine and 1 cup of water. To make the sauce add oyster sauce, hot pepper sauce, and sugar. add the cooked beef and 1 spoon of soy sauce To thicken the sauce, whisk together 1 Tablespoon of cornstarch and 2 Tablespoon of water in a bowl and slowly add to your stir-fry until it's the right thickness.