The Big Mac, introduced in 1967, became one of McDonald’s most recognizable branded menu names.
Franchisee Jim Delligatti created the sandwich to compete with larger hamburgers offered by rival restaurants. It used two beef patties, a middle bun layer, lettuce, cheese, pickles, onions, and Big Mac sauce. The sandwich was first tested in the Pittsburgh area before being added nationally.
The name “Big Mac” gave McDonald’s a durable product identity that could be advertised separately from the corporate brand. Its distinctive construction and special sauce also made it easy for customers to recognize across markets, even where ingredients or serving details varied.
The Big Mac is sometimes confused with the Quarter Pounder because both became major McDonald’s signature burgers. The Quarter Pounder is defined by the pre-cooking weight of its beef patty, while the Big Mac is defined by its two patties, three-part bun, and characteristic layered format.