Do Shake Shack do milkshakes? An in-depth look at their signature shakes
                                
                                
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                                    3 min read                                
                            
                                First established as a humble hot dog cart in 2001, Shake Shack expanded its menu to include its now-iconic milkshakes when it opened its first permanent kiosk in 2004. Since then, the brand has become renowned for these thick, hand-spun treats, which are a signature part of their offerings today.