Mariano Martinez: Inventor of the Frozen Margarita Machine

The man behind the iconic frozen cocktail that transformed Tex-Mex dining in America.

Apr. 18, 2026 at 12:40am

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A brightly colored, high-contrast silkscreen print of a frozen margarita glass repeated in a tight grid pattern, conceptually representing the iconic frozen cocktail that became a staple of American dining.The frozen margarita machine invented by Mariano Martinez in 1971 transformed the restaurant industry and popularized Tex-Mex cuisine across America.Dallas Today

Mariano Martinez did not invent the margarita, nor did he invent the frozen margarita. Instead, in 1971 in Dallas, Texas, he created the world's first frozen margarita machine by adapting a Slurpee machine to produce consistent frozen margaritas for his restaurant, Mariano's Mexican Cuisine.

Why it matters

Martinez's innovation solved a critical problem in the restaurant industry, allowing bartenders to keep up with high demand for frozen margaritas and serve a consistently perfect drink every time. This transformed the operations of his restaurant and helped popularize frozen margaritas and Tex-Mex cuisine across the United States.

The details

Martinez used his father's margarita recipe and enlisted the help of a friend, Frank Adams, to modify an old soft-serve ice cream machine. After experimentation, the machine began producing perfectly frozen margaritas with every pour, ensuring consistency and speed. The machine became known as 'The World's First Frozen Margarita Machine.'

  • In 1971, Martinez created the world's first frozen margarita machine in Dallas, Texas.
  • In October 2005, the original machine was formally acquired by the Smithsonian Institution's National Museum of American History in Washington, D.C.

The players

Mariano Martinez

A Dallas native who began working in his father's Mexican restaurant at age nine and later opened Mariano's Mexican Cuisine in 1971, where he invented the frozen margarita machine.

Frank Adams

A friend of Mariano Martinez who helped him modify an old soft-serve ice cream machine to create the world's first frozen margarita machine.

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What’s next

The Smithsonian Institution's National Museum of American History continues to display the original frozen margarita machine as a significant artifact of American culinary innovation.

The takeaway

Mariano Martinez's invention of the frozen margarita machine in 1971 transformed the restaurant industry, popularized Tex-Mex cuisine, and left a lasting impact on American dining habits.