What is for me it's the mcchicken?

The McChicken is a popular sandwich sold at McDonald's fast-food restaurants worldwide. It consists of a breaded and fried chicken patty topped with lettuce, mayonnaise, and a sesame seed bun. The sandwich was first introduced to the McDonald's menu in 1980 and has since become a staple item. The McChicken has been adapted to suit different tastes with variations such as the Spicy McChicken and the McChicken Deluxe. It is a relatively affordable item on the menu and is often favored by those seeking a quick and filling meal.