Mariano Martinez of Dallas needed his popular margaritas to stay consistent. His invention lead to a Mexican restaurant classic- the frozen Margarita.
Resources:
https://www.laharanch.com/
https://www.smithsonianmag.com/smithsonian-institution/uniquely-texas-origins-frozen-margarita-180969339/
https://www.visitdallas.com/things-to-do/dallas-now/2017/07/the-history-of-the-frozen-margarita-begins-in-dallas.htm
https://americanhistory.si.edu/blog/2010/05/frozen-margarita-machine-cinco-de-mayo.html
https://en.wikipedia.org/wiki/Mariano_Martinez_(entrepreneur)
Texas: Slang for Crazy 