Frozen Margarita Machine: Did You Know?

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Did you know the frozen margarita machine was invented in 1971 by Dallas restaurant owner, Mariano Martinez? Frozen margaritas are as old as the blender, but the demand overwhelmed bartenders. But then Martinez saw a Slurpee machine at 7-11, and the rest is history. It was such an important discovery that the first machine is now at the Smithsonian.