McDonald's extreme-green shamrock shake is going nationwide for the first time, the fast food franchise revealed on Wednesday.
The leprechaun-colored shake is currently available at every one of McDonald's 14,000 U.S. restaurants, according to company spokeswoman Ashlee Yingling.
The shamrock shake itself isn't new. It's been offered by McDonald's restaurants at or around St. Patrick's Day since 1970. But in the past, only certain restaurants offered the familiar green shake.
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