McDonald’s fans, brace yourselves because the food chain is about to reintroduce its seasonal classic—the Shamrock Shake.

McDonald's announces the return of its Shamrock Shake and Oreo Shamrock McFlurry, revealing the official release date for the seasonal favorites.

The Shamrock Shake is a milkshake made with vanilla soft-serve ice cream, artificially flavored minty green syrup and whipped topping. McDonald's debuted the first Shamrock Shake in 1970, and the cult classic has been returning to the menu around St. Patrick's Day each year since.

McDonalds is bringing back two iconic favorites to celebrate the 50th anniversary of its Ronald McDonald House charity. The Shamrock Shake has returned to mark the occasion along with one of the brand’s long-lost family members,

McDonald’s is bringing back its beloved Shamrock Shake with the help of an old friend. The minty green milkshake 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 “Shamrock Season.

Plus, the launch comes with a returning mascot of the McDonald’s franchise: Uncle O’Grimacey, Grimace’s cousin from Sham Rock, Ireland. Related: McDonald's Is Bringing Back a Fan-Favorite Item After 8 Years—Here's Everything We Know So Far Here’s the nutrition breakdown for a small McDonald’s Shamrock Shake: At EatingWell,

The beloved Shamrock Shake is coming back to McDonald's, along with a McDonald's character no one's seen since the 1980's: Uncle O'Grimacey.

Cue up a standing ovation, TBH, because the famed McDonald's Shamrock Shake is officially back on menus (finally)! Served annually since 1970, this is one of the tastiest fast food sweet treats we look forward to year after year.