Frozen Margarita Machine Is 50 Today

Today is Cinco de Mayo, which many celebrate by eating Mexican food. This year, we’re also celebrating the 50th anniversary of the frozen margarita machine, which the Smithsonian’s Steve Velasquez says ushered in a culinary revolution. Now there are Mexican restaurants in every town. The original device invented by Dallas restaurant owner Mariano Martinez is on display at the Smithsonian in Washington.

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