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The new Chocolate Birthday Cake Shake and the Cornflake Chocolate Drizzle Shake have now arrived at Shake Shack for a limited time only this season. Made in partnership with Milk Bar, these new shakes feature a variety of Milk Bar fudge, frosting, crumbs and crunches. 

Chocolate Birthday Cake Shake

Shake Shack’s new Chocolate Birthday Cake Shake is blended from hand-mixed chocolate cake frozen custard, Milk Bar B’Day frosting and Milk Bar B’Day crumbs, with rainbow sprinkles and a whipped cream topping. 

Cornflake Chocolate Drizzle Shake

The Cornflake Chocolate Drizzle Shake features a decadent Milk Bar chocolate fudge drizzle. It also comes with a mix of malted vanilla frozen custard and Milk Bar Cornflake Crunch. This new Shake Shack treat is finished with a sprinkling of mini marshmallows.