1
Key to a successful stir fry: prep everything first. So start with cutting and slicing all ingredients.
2
Mix beef with soy sauce, shaoxing wine, brown sugar, oyster sauce, cornstarch and black pepper, mix well. Marinate for at least 15 minutes or up to 24 hours.
3
To cook, add oil and ginger in a large non-stick pan or wok. Cook on medium heat for 30 seconds then add garlic and fermented black beans.
4
Add marinated beef into the pan. Turn the heat up to high, cook undisturbed, turning once. Remove beef from the pan into a bowl and set aside.
5
Same pan, add white parts of green onion, bell peppers, onions and chilli (optional). Stir fry on high heat for 2 minutes.
6
Add beef back in, along with all the juices. Add green parts of green onion, and ~¼ cup of water. Season to taste, stir fry for a further 30 seconds.