Exercise:
1. Pig's trotters are shaved, scraped and sliced; Soak soybeans in warm water; Slice ginger, shred dried green pepper, one piece of star anise, three or four pieces of star anise. Ps: Pig hair is the most disgusting thing. Generally, it is baked with fire first, and then scraped clean with a knife.
2. Boil a large pot of water, put it in the pig's trotters and copy it until it is broken. Too cold will make the pork skin tighter.
3. Pour half a pot of oil and bring to a boil. When the water temperature is 80% hot, fry it in pig's trotters. When the surface is a little orange, take out and drain the oil.
4. Leave the bottom oil in the pot, then pour in ginger slices, dried green peppers, star anise and star anise, and stir-fry for fragrance; Add a spoonful of soy sauce, a spoonful of Pixian bean paste and a spoonful of salt and stir fry. Pour into the pressure cooker, add the water that has submerged the trotters for a while, cover and stew for another 30 minutes.
5. Open the pressure cooker, pour the pressed trotters into the wok again, add the soaked soybeans, add a spoonful of salt, stir well, and then cover the pot and simmer. Boil until the water is enough to be digested and absorbed by soybeans, add a proper amount of monosodium glutamate, stir well, then take out the pan and put it on the plate, and finally sprinkle with onions.