Beef in oyster sauce

Combine beef, oyster sauce, soy sauce, and ground black pepper. Mix well. Let it stand for 5 minutes.
Add cornstarch into the bowl. Mix until all ingredients are well distributed. Set aside.
Heat oil in a pan. Fry bell peppers for 1 minute. Stir once in a while. Remove bell peppers from the pan. Set aside.
Using the remaining oil, stir fry marinated beef until it starts to brown.
Add fried bell peppers and toss until all ingredients are distributed.
Transfer beef stir fry to a serving plate.
Serve with rice. Share and Enjoy!