2, first clean the trotters, cut a knife from the middle, don't cut it off, put it in the pot with cold water, add onion ginger and cooking wine to boil, boil the bleeding foam, remove it and wash off the excess blood foam.
3. Put the cooked pig's trotters in a pressure cooker, pour in the sugar color cooked in advance, add onion ginger, star anise, pepper granules, dried peppers, cinnamon, a spoonful of salt and a spoonful of soy sauce, add water without ingredients, steam on the pressure cooker for 30 minutes, and steam it out.
4. Brush the oil in the pan, add the trotters to slow fry, fry until the surface peels, sprinkle with barbecue material, and the delicious crispy trotters are finished.