1. Prepare ingredients: beef, potatoes, green onion, minced garlic, black pepper sauce
2. The beef is blanched in boiling water until it changes color, and the potatoes are peeled and diced
3. Adjust the sauce: add 1 tablespoon of sugar, 2 tablespoons of light soy sauce, 1 tablespoon of oyster sauce, and water to the black pepper sauce, and mix well
4. Leave the oil in the pan and fry the potatoes for color
5. Pour in excess oil, add chopped green onion and minced garlic, stir fry until fragrant, add fat beef, stir fry evenly
6. Pour the juice into a bowl, boil again, collect the juice over high heat, and sprinkle the chopped green onion before serving. You can add a small amount of blanched broccoli to garnish
