Put a layer of salad dressing on it. You can put more salad if you like it, and less if you don't like it. Then put a piece of lettuce on it, and put a layer of ham on the lettuce. This time, you can put the eggs on it, and finally put the last layer of hamburger bread on it, so that the hamburger without meat is finished. The reason is similar to that of sandwich burger, except that the meat is replaced by ham.
If you want to eat meat, you can buy chicken breast, wash the muscles, then put two eggs in a bowl, put the egg liquid on the chicken, sprinkle some black pepper and edible salt, let it stand for a while, then stick the flour liquid on the chicken, boil the oil, then put the chicken in and fry it, put it in and then take it out, then dip it in some flour, and then fry it directly until the meat is cooked. If there is meat, then eggs and ham can be saved, which will be a little troublesome. Lettuce is still available, and there are many other ways.
There are many things that can be added to hamburgers, and there are many different kinds of meat. There is no prescribed pattern, what must be added in it, and there is no strict requirement on what must be done. The practice outside will be more formal, but after all, it is a family burger, and there are not so many requirements, so I don't pay attention to eating it myself.