See if you need to put meat. If you put meat, chop it into stuffing, add cooking wine, soy sauce, salt and thirteen spices. Anyway, just season it according to your own taste. You can add eggs if you like and mix well. Then chop the tofu. Since it's meatballs, all the ingredients should be very broken millet stuck together. Finally, crush the steamed bread. It's best to dry the steamed bread a little. You can knead it into crumbs and stir it evenly.