Shamrock Shake is back

It's available now through March 23 at participating McDonald's restaurants.

ST. LOUIS – A fan seasonal favorite is returning to McDonald’s. The Shamrock Shake is back in St. Louis and across the country.

It’s available now through March 23 at participating McDonald’s restaurants.

Customers can download the Shamrock Shake finder app on their iPhone or Android devices to find the nearest location.

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