1, the white sauce in the burger is salad dressing, the earliest hamburger mainly consists of two slices of small round bread sandwiched between a piece of beef patties, modern burgers in addition to sandwiching the traditional beef patties, but also in the second layer of the round bread coated with butter, mustard, ketchup, salsa and so on.

2, the original hamburger is chopped minced beef and noodles made of patties, so called beef patties. Ancient Tatars had the habit of eating beef raw, and as the Tatars moved westward, it was first introduced to the Balkan Peninsula and then to Germany, where it was gradually changed from raw food to cooked food. It is relatively quick to make, easy to use, and has a good taste, but its calories are high and it contains a lot of fat, so it is not suitable for people who are dieting or people with high blood pressure and high blood fat to eat in excess.