1. Cut pig's trotters into pieces, add onion, ginger slices and cooking wine, boil the bleeding foam on high fire, remove and wash.
2. Add water to the pot, add trotters, add scallion, ginger slices, star anise, cinnamon, fragrant leaves, dried peppers, fennel, crystal sugar, cooking wine, soy sauce and salt, mix well and cook for 1- 1.5 hours.
3. Cook it, take it out, put it in an air fryer, bake it at 356 degrees Fahrenheit (180℃) for 8 minutes, take it out and sprinkle with Chili powder, cumin powder and white sesame seeds for 5 minutes. Pig's trotters are fragrant, smooth and soft, and then they are successfully made with dipping sauce.