A medium Shamrock Shake has 540 calories, and a regular Oreo Shamrock McFlurry has 460 calories. The season of the mint-flavored, green-tinted shake is nearly upon us.

It's soon to be Shamrock Shake season. McDonald's Shamrock Shake, a milkshake made with vanilla soft-serve ice cream, artificially-flavored minty green syrup and whipped topping, will return to ...

Shamrock Shakes debuted in 1970 after being created by Hal Rosen, a Connecticut franchisee who was looking for something to draw customers around St. Patrick’s Day in the mid-to late-’60s.

According to the Instagram account @snackolator, Shamrock Shake season will begin Tuesday, Feb. 4, while some locations already have the St. Patrick's Day treat. What is a Shamrock Shake at McDonald's ...

Top of the morning to 'ya. It's soon to be Shamrock Shake season.. McDonald's Shamrock Shake, a milkshake made with vanilla soft-serve ice cream, artificially-flavored minty green syrup and ...

Shamrock Shakes debuted in 1970 after being created by Hal Rosen, a Connecticut franchisee who was looking for something to draw customers around St. Patrick’s Day in the mid-to late-’60s.

Shamrock Shakes debuted in 1970 after being created by Hal Rosen, a Connecticut franchisee who was looking for something to draw customers around St. Patrick’s Day in the mid-to late-’60s.