1. Beef is the first choice. Let's choose a piece of hind leg meat or tenderloin, that is, the thinner piece of meat, cut it into thin slices, then wash the blood on it with clear water to squeeze out the water, add a little salt, soy sauce, cooking wine and pepper to the bottom, then put a little corn starch and grab it evenly, and then put a little cooking oil for later use.

2. Slice potatoes into thick strips, cut parsley into sections, slice peppers with oblique knives, slice onions, cut onions into chopped green onion, and slice ginger and garlic for later use.

3. Cook wide oil from the pan. When the oil temperature rises to 60%, add potato chips, fry until the surface is golden and crisp, remove the oil control, then pour out some oil, add beef, stir fry and remove the oil control for later use.

4. Leave a little base oil in the pot, pour in onion, ginger and garlic until fragrant, then add bean paste and hot sauce and stir-fry until fragrant, then add dried Chili, pepper and pepper, then add beef to low heat to taste, add a little salt, sugar, chicken powder, soy sauce and oyster sauce and stir-fry until fragrant, finally add potato chips and stir-fry evenly, then take out of the pot and sprinkle with coriander.