Practice: First, cut the pork into pieces with a knife, add salt and chicken essence, and color it with some soy sauce. If you don't like soy sauce, grab it evenly with your hands, and then add a little water to let the meat slices absorb it. Then, in another bowl, add water to melt the sweet potato starch, pour it on the sliced meat and stir well. Finally, sprinkle some salad oil to prevent sticking together. To say that the most tender piece of lean meat on a pig should be pork tenderloin. Pork tenderloin is located in front of the ribs, next to the neck, and in a straight line with the trotters in front. Sliced pork soup: give oil after the pot is hot, and it is best to add some lard, which will taste better. Add ginger slices into the pot, add chopped mushrooms and stir fry, then add water to boil, and start seasoning, add salt and chicken essence. Pepper, turn on a small fire, add the marinated meat slices and cook for 10 second. Sprinkle with chopped green onion and the mushroom soup will be ready.