The McDonald brothers called their redesigned 1948 operating model the Speedee Service System.
Maurice and Richard McDonald created the system after closing and reorganizing their San Bernardino restaurant. They reduced the menu, standardized preparation, used an assembly-line approach, and shifted away from traditional carhop service. The goal was to serve inexpensive food quickly and consistently.
The system’s name connected the restaurant’s operations with Speedee, an early McDonald’s mascot shown as a smiling chef. Speedee represented speed and efficiency before Ronald McDonald became the chain’s best-known advertising character.
The Speedee Service System was not simply a slogan or a menu item. It was an operating concept that influenced modern fast-food service. Ray Kroc later recognized its commercial potential and helped expand the McDonald’s model through franchising.