#16: Arch Deluxe (prototype versions), late 1970s
Price: about $1.50
Tested quietly in select markets, early Arch Deluxe concepts aimed to attract adult customers with a more sophisticated flavor profile. Featuring a seasoned beef patty and specialty sauce, it represented McDonald’s early desire to move beyond children and families into upscale fast food.

In hindsight, the Arch Deluxe is remembered more for its later 1990s failure than its early experiments. Comparable burgers today cost $6.00–$7.00. The item now serves as a cautionary tale about straying too far from brand identity, despite its initial ambition.
