The Belgian burger chain Ellis Gourmet Burger opened 3 cases in the a flash in the center of Amsterdam. And also at Ellis, the concept is a gourmet burger consisting of the very best meat, with refined garnishes in original combinations, and a Hendrick's Fever Tree with a slice of cucumber.
You can find Ellis Gourmet Burger on Prinsengracht 422, Singel 161A and Gravenstraat 20.