The Big Mac, introduced in 1968, became one of McDonald’s most enduring brand icons.
The sandwich was created by franchisee Jim Delligatti, who operated McDonald’s restaurants in the Pittsburgh area. It used two beef patties, a middle bun section, cheese, lettuce, pickles, onions, and the sauce that became closely associated with the product. Its stacked structure made it visually distinctive in advertising and on menus.
The Big Mac name itself became a major part of McDonald’s branding. Unlike a generic description such as hamburger or cheeseburger, it created a memorable product identity that could be marketed independently around the world.
The sandwich is sometimes confused with the Quarter Pounder, another famous McDonald’s product. The Quarter Pounder is identified primarily by the weight of its beef patty before cooking, while the Big Mac is identified by its two-patty, three-bun construction and signature sauce. Recipes and ingredients can vary by market.