2. Practice: According to the amount of meat, stir it and let it stand for ten minutes. Put the vegetable oil into an iron plate or a common cake pan at home for 3-5 minutes. Dip the prepared iron tenderloin in the sauce, and then sprinkle with cumin powder or cumin granules.
3. Dip in sauce: cumin powder or cumin granules (dry-fried)
4. Send a secret sauce: sweet noodle sauce, starch, chicken powder, sugar, Wang Shouyi thirteen spices. Add 1 tablespoon sweet noodle sauce and 2 tablespoons sugar to the ordinary soup pot at home, and add water to boil. Put the starch, chicken powder and thirteen spices of Wang Shouyi into a bowl, stir well, add cold water (be sure to add cold water), stir well again, pour into a soup pot, boil and cool.