1, prepare the required materials. 300g of beef, soy sauce10ml, cooking wine10ml, 20g of starch, oil150ml, 2 slices of onion, 2 tablespoons of sugar, 2 tablespoons of soy sauce and 2 peppers;

2. Slice beef, add soy sauce, cooking wine and a little starch, and marinate for one night;

3, put more oil in the pot, pour the beef slices into 60% heat and stir fry. As long as the color changes, use the hedge to remove it and empty the oil;

4. It is enough to pour out the oil in the pot and hang it on the side of the pot;

5. Cut the onion, put it in the fire 10 second, stir fry. When the onion becomes soft, you can pour in the sliced beef, add a little sugar and soy sauce, and take it out of the pot.