Once upon a time, there was a vegetarian burger that didn't pale in comparison to its meaty contemporaries. The hearty and protein-rich patty was made with forbidden rice, turtle beans, and shiitake mushrooms and topped with crushed avocado, goat cheese spread, and roasted tomatoes and red peppers. It was then placed on a fluffy and lightly sweetened bun that was delicious enough to eat plain. To savor this Miami Earth burger ($12), you would have to go to a restaurant called Umami Burger. The chain came to Miami Beach in May 2013 via California, where since 2009 it amassed legions of devoted fans. All the burgers were injected with a magic ingredient known as Umami Master Sauce and served in a laid-back dining room replete with TV sets. The term "umami" was defined as a category of taste that was neither sweet, sour, salty, nor bitter and had a mouthwateringly brothy and meaty flavor that lingered on the tongue. At this eatery, you could also get burgers made with meat, including the Umami burger. It featured shiitake mushrooms, caramelized onions, roasted tomato, a Parmesan crisp, and house ketchup ($12). The smart folks would order it with a side of crispy thin fries ($3.50) and call it a very good day.