Rosen debuted the shake in its minty form, and the word soon got out to the McDonald's higher-ups. Despite this, it took a good few years for the Shamrock Shake to start reaching a wider audience base ...

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, to ...

McDonald's is getting ready for spring with the arrival of the Shamrock Shake. Beginning February 21, the fan-favorite milkshake -- as well as an Oreo Shamrock McFlurry -- will go on sale at US ...

Punxatawney Phil may have had all the press with his early spring announcement, but McDonald’s quiet drop of two seasonal treats onto its menu now has the spotlight. It’s enough to make a famous ...

March is finally here and with it comes the limited-edition mint-flavored drinks so many look forward to. Also known as the Emerald Isles, Ireland has always been represented by the color green in the ...

The Shamrock Shake’s return calls for a McDonald’s family reunion. The once-viral Grimace invited Uncle O’Grimacey over from Ireland to celebrate the minty treat’s comeback, which will land in stores ...

Person holding a Shamrock Shake in front of McDonald's - McDonald's / Facebook When the January blues clear and the days start to look a little brighter, you know that there's one thing just around ...