1, ingredients: 300 grams of beef, half an onion, oyster sauce, butter, soy sauce, steak sauce.

2, beef soaked in water for 2 hours to remove blood.

3, beef cut into 1 cm thick slices.

4, with the back of the knife on both sides pat loose.

5, pat the beef add soy sauce, oyster sauce marinade for a while.

6, chopped onion.

7, add butter in the pot to melt.

8, add the marinated beef and fry.

9, turn and fry.

10, add onion and saute until broken.