I tried and ranked every shake at Shake Shack, including the Dubai Chocolate. A classic earned the No. 1 spot.

Shake Shack. Bloomberg/Bloomberg/Getty Images Over the past year, I've tried and ranked 16 of Shake Shack's shakes. Three limited-edition flavors have been added to the menu for the summer. My favorite was cookies and cream, though I'd drink almost all of them again. Over the course of the last year, I've embarked on a grueling mission: to taste and rank every shake on Shake Shack's menu. Just as I was getting my appetite back, the chain announced three new summer flavors, so I knew what I ...