Introduced in 1970, the Shamrock Shake is made with vanilla soft-serve ice cream, artificially flavored minty green syrup and whipped topping (about $3-$4 depending on size). Need a break?

The Shamrock Shake debuted in 1970 and the Oreo Shamrock McFlurry debuted in 2020. McDonald's Shamrock Shake typically returns to menus in February ahead of St. Patrick's Day. A medium Shamrock ...