The minty, mouthwatering classic just got even better. McDonald’s OREO Shamrock McFlurry is made with creamy vanilla soft serve, blended with McDonald’s original Shamrock Shake syrup and OREO cookie pieces mixed throughout. Get an OREO Shamrock McFlurry or a Shamrock Shake before they’re gone. The McDonald’s McFlurry is available at participating restaurants.
The McDonald’s Shamrock Shake was first created in 1967 by Hal Rosen, a McDonald’s owner and operator from Connecticut. The drink was made for the occasion of St Patrick’s Day. It wasn’t until 1970 that the drink started being distributed to other locations of the outlet.