The burger is one of those American foods that will never go away. There have been books written and movies filmed about the subject. In some restaurants, burgers have reached such cult status that it would simply be impossible for there to be any more hype about them.
One broad shift has been rocking the ground meat world for years: the explosion of fast casual chains. While McDonald's, Burger King and other fast food chains are constantly innovating and attempting to come up with more "premium" items, they are also struggling to lure people that have chosen fast casual over fast food. One difference? Burgers made to order.
While fast casual chains aren't exactly new to the industry, there are several that are poised for pretty large expansion, both at home and abroad. Here are five fast casual burger chains that may take over the world:
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