This deal has ended.
Have you ever had the Shamrock shake at McDonald’s? If you haven’t, the shake is a green mint flavored milkshake and is made with creamy vanilla soft serve blended with Shamrock Shake syrup and topped with delicious whipped topping.
Well, for today only (February 21st), you can enjoy a free small Shamrock shake with no purchase necessary. Offer available only on Mobile Order and Pay, which is available only on the McDonald’s app. There is a limit of one (1) per customer. Again, offer is valid on February 21st only.