It also sells burgers and chicken burgers , fries , hot dogs , frozen custards , and beer and wine .
Shake Shack 's eponymous products are its milkshakes , which have been reviewed as some of the best in the industry .
Shake Shack also sells burgers and chicken burgers , fries , hot dogs , frozen custards , and beer and wine .
Shake Shack 's eponymous products are its milkshakes , which have been reviewed as some of the best in the industry .