The white sauce in the hamburger is salad dressing. Besides white salad dressing, there are yellow thousand island dressing, gray pepper mayonnaise and red ketchup. Generally speaking, the second layer of bread will be added with sauce.

Salad sauce originated from Minorca Island in the Mediterranean Sea, and it is made of a lot of eggs and oil. This sauce has a long history in the diet. The consumption of salad dressing continues to increase.

Especially among young people, many fans can't help adding salad dressing to all their food, including those prepared dishes. They are called "mayora", which is a newly coined word that combines the first letter of salad dressing with the English suffix -er or -or, just like words like driver or tourist.

Refer to the above? Encyclopedia-salad dressing