One of the most recognizable holiday treats at McDonald's is making its return, along with one of Grimace's relatives.
Enjoy a Shamrock Shake: For every Shamrock Shake purchased from Feb. 10 to Mar. 23 at participating McDonald's, 25 cents will ...
McDonald's is chasing the luck of the Irish with the Shamrock Shake. And Wendy's has a Thin Mints Frosty. When and where to ...