How to get a Dubai chocolate pistachio shake at Shake Shack

Shack Shack will begin serving Dubai Chocolate Pistachio Shakes at restaurants nationwide on Tuesday, June 24. But there’s a catch.

Each location will be serving only 50 of the trendy shakes a day, according to a news release from the New York-based chain.

And the shakes can only be purchased in person.

The shakes were inspired by chocolate bars from the United Arab Emirates that have created a worldwide viral sensation. The original bars, created by Fix Dessert Chocolatier...