McDonald's also debuted a Chocolate Shamrock Shake ... the now-customary dollop of whipped cream that goes on every milkshake. Large Shamrock Shakes are pretty big, but it's fair to say that ...

If you're ditching the party scene in favour of a sweet treat to celebrate, you might want to head to McDonalds for ... Customers can enjoy the milkshake in a tiny snack size portion that's just under ...

It is also the first time McDonald's has mixed things up with its flavours - which are typically just strawberry, chocolate ... McDonalds milkshake which is £1.99 or £2.19 for a large.