Shamrock Shake

McDonald’s Favorite Shamrock Shake Returns, is it Worth the Hype?
McDonald’s Favorite Shamrock Shake Returns, is it Worth the Hype?
McDonald’s Favorite Shamrock Shake Returns, is it Worth the Hype?
McDonald's bright-green Shamrock Shake, a minty beverage only available around St. Patrick's Day each year, has a cult following that rivals that of "The Rocky Horror Picture Show" and short-lived TV series "Firefly" (though possibly not McDonald's other fan-favorite seasonal menu item, the McRib).