Grimace and Uncle O’Grimacey are welcoming the Shamrock Shake back to restaurants nationwide on Monday, Feb. 10 Sabrina Weiss is the Editorial Assistant of PEOPLE's food department. She writes ...

10, the company said in a news release on Tuesday. Feb. 4. The chain will donate 25 cents per shake to local chapters for Ronald McDonald House Charities (RMHC). To help the St. Patrick's Day treat ...

Patrick's Day and for a limited time, Grimace is welcoming his uncle to celebrate St. Patrick's Day with the Shamrock Shake, which officially returned to McDonald's today. The Shamrock Shake is ...

Uncle O’Grimacey, Grimace’s uncle, was introduced in a 1975 commercial to help promote the Shamrock Shake. He hails from the fictional location of Sham Rock, Ireland, and traditionally wears a ...

The milkshake is new to the UK but has previously been available elsewhere. The announcement of the Shamrock Shake launch comes after the release of the Grimace Shake last year. The Grimace Shake was ...