Shake Shack just added a fishy burger to the menu that's unlike anything we've ever seen -- here's the verdict

Shake Shack just added an eel burger to the menu. 

On Friday and Saturday, the Madison Square Park Shake Shack location is serving the new Eel Burger. The burger was created through a partnership with Fergus Henderson, the Michelin awarding-winning chef at London restaurant St. JOHN. 

Despite its impressive credentials, many at Business Insider were sceptical about the somewhat fishy concept. 

So, we decided to order two eel burgers and decide for ourselves. 

The verdict: Shake Shack’s eel burger is surprisingly tasty! The smoked eel is shaped into a patty, which tastes like a rich smoked fish dip.

The eel’s smokiness is complimented by slabs of bacon, the most traditional element of the burger. The patty is then topped with pickled red onion, creme fraîche, and fresh horseradish which cut through the smokey flavour nicely. 

Overall, it’s an impressive burger that wouldn’t be out of place on the menu at a more expensive chain (the eel burger is priced at $US9.99).

Burger lovers may prefer the classic Shack Burger. But, if you’re into smoked fish, the eel burger fits the bill perfectly. 

Here’s a video of our Eel Burger taste test: 

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