Dry tea tree mushrooms warm water, wash the sand, cut off the old roots. Drain the sections and steam until cooked. Cut the beef tenderloin, squeeze the water and mix the salad oil into the refrigerator for two hours.
Scallions, green and red pepper cut into small pieces, onion shredded, ginger slices, shallots cut into sections. Take a small bowl of salt, oyster sauce, soy sauce, soy sauce, sugar and mix thoroughly.
Hot pot cold oil sautéed beef tenderloin to break, quickly spray out after spraying a little cooking wine. Add a little oil to the pot, add the onion, the onion, the green and red pepper, add the tea tree mushroom and continue to stir fry. After three minutes, add the beef tenderloin and stir-fry in a well-preserved sauce. Slightly drain the dried juice and sprinkle with shallots and mix well.