First mix the flour with the yeast, and then wake it up. Wash celery, boil water, take it out, cool it thoroughly and break it into pieces, cut it into small pieces with fire, chop onion and ginger, untie the meat stuffing with an egg or a little water, add salt, soy sauce, pepper noodles, black pepper powder and oyster sauce, stir well, pour in edible oil and continue to stir for a while, add onion and ginger and celery, and stir well in the meat stuffing.