Steps:

1, sliced beef, add a spoonful of soy sauce, half a spoonful of soy sauce, a spoonful of oyster sauce, a spoonful of salt, and a proper amount of black pepper, stir well and marinate for 20 minutes.

2, exclusive ingredients: pepper, chives, garlic cloves, ginger slices, a little cumin.

3. Put the beef into the oil pan and saute until both sides are golden and cooked. Pour in the sliced potatoes and stir fry.

4. Pour in the exclusive ingredients prepared in advance, stir-fry evenly and serve.