The “upside down question mark mac” is a dish created by McDonald’s in 2017. It consists of a beef patty, American cheese, lettuce, tomato, onion, and pickles on a sesame-seed bun, with the question mark-shaped patty flipped upside down.
The upside down question mark mac became popular due to its unique appearance and taste. The flipped patty creates a visually appealing contrast, and the combination of flavors in the sandwich is satisfying. Additionally, the dish was marketed heavily by McDonald’s, which helped to increase its popularity.