The Egg McMuffin is a popular breakfast sandwich offered by McDonald's. It consists of a toasted English muffin, a slice of Canadian bacon, a freshly cracked egg, and a slice of American cheese. This sandwich is known for its convenient, on-the-go format, making it a favorite among breakfast lovers. Introduced in 1972, the Egg McMuffin is credited with helping to popularize the concept of fast-food breakfast in the United States. It is often served with coffee or other breakfast beverages, appealing to customers looking for a quick and satisfying meal to start their day.