McDonald's Shamrock Shake, a milkshake made with vanilla soft-serve ice cream, artificially-flavored minty green syrup and whipped topping, will return to restaurants on Monday, Feb. 10.

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.

McDonald's debuted the Shamrock Shake in 1970. Every year since, the festive milkshake has been released ahead of St. Patrick's Day.

From February 10 through March 23, $0.25 from each Shamrock Shake sold will be donated to Ronald McDonald House Charities, which, like Uncle O’Grimacey himself, is celebrating 50 years of existence.

McDonald’s said it will give 25 cents from the proceeds of each Shamrock Shake between Feb. 10 and March 23 to the Ronald McDonald House Charities (RMHC), a longtime nonprofit that helps the ...

McDonald’s Shamrock Shake is returning on Feb. 10, available at participating locations nationwide. The fast-food chain is bringing back Uncle O’Grimacey, a long-lost McDonaldland character ...

The Shamrock Shake, a creamy vanilla soft-serve blended with minty green syrup and topped with whipped cream, has been a fan-favorite since 1970.

McDonald's Shamrock Shake will return to restaurants on Monday, Feb. 10 -- and the chain's Uncle O’Grimacey character is returning after a decades-long hiatus to help kick off the annual ...

NEW IN 2025: For every Shamrock Shake purchased (in participating stores) between Feb. 10 and March 23, McDonald's will donate $0.25 to Ronald McDonald House Charities.

A medium Shamrock Shake contains 540 calories, according to McDonald's. This is comparison to the 570 calories in McDonald's medium vanilla shake, and 650 calories in a medium chocolate shake.