What name did McDonald's give its original 1948 restaurant operating method?

McDonald's called its original 1948 restaurant operating method the Speedee Service System.

Richard and Maurice McDonald introduced the system when they reorganized their San Bernardino, California, restaurant around speed, limited choice, and standardized preparation. Customers ordered at a walk-up counter rather than receiving traditional carhop service. The brothers reduced the menu and designed kitchen work so food could be assembled quickly and consistently.

The name connected the operating method with Speedee, an early McDonald's mascot depicted as a smiling chef. That mascot appeared before Ronald McDonald and helped communicate the restaurant's emphasis on fast service. Ray Kroc later saw the potential of the brothers' system and expanded the business through franchising.

A common mix-up is treating Speedee Service System as a slogan or a menu item. It was an operating model: a practical restaurant system that helped establish the fast-food format later associated with McDonald's worldwide.