Back in 2010, though, a Shamrock Shake was created that was so big that it'd give Godzilla a run for its money. To celebrate St. Patrick's Day in Chicago, McDonald's created the "World's Largest ...

(WJHL) — A fan-favorite minty dessert has returned to the Tri-Cities. The Shamrock Shake is available again at local McDonald’s restaurants. Every purchase of a shake benefits the Southern ...