1. Prepare the materials: tofu, soybean skin, peanut oil, chili oil, dried chili peppers, soy sauce, old soy sauce, peppercorns, dashi, sesame leaves, cinnamon, sugar, salt, green onions and ginger.

2. Put some oil in the pot and sauté the peppercorns, dashi, green onions, ginger, garlic, and dried red chili pepper spices in the pot over medium heat to create a flavorful stir-fry.

3. Put the right amount of water into the pot, add seasonings such as dark soy sauce, soy sauce, sugar, salt, etc., and cook slightly for 2 to 3 minutes.

4. When the red broth in the pot is about to boil, add the bean skins.

5. When the soup comes to a boil, turn off the heat and simmer slowly for half an hour, taking care that the water should be submerged over the bean skins.

6. Half an hour or so off the fire, bean skin in the pot in the soaking time a little more, more flavorful.

7. Out of the pot.