
Nachos contained tortilla chips, among other things.
Tortilla chips were a type of snack from Earth made from tortillas that had been cut, fried, and salted. Tortilla chips were popularly used in nachos, a dish of Mexican origin. (LD: "Terminal Provocations")
Cool Ranch Doritos was a flavor of tortilla chips that could be found in vending machines during the 21st century. (PIC: "Monsters")
In 2380, when Ensign Beckett Mariner accidentally bumped into Doctor T'Ana, it caused the latter's face to land in her nachos, thereby causing her to get cheese, jalapeños, and tortilla chips stuck in her fur. (LD: "Terminal Provocations")
In 2381, Beckett Mariner, Brad Boimler, D'Vana Tendi, and Sam Rutherford snacked on tortilla chips and guacamole while playing a game of Bat'leths & BiHnuchs. (LD: "The Least Dangerous Game")
After Discovery arrived at Starfleet Headquarters in 3189, Commander Jett Reno ate tortilla chips with salsa while being interrogated by a holographic officer. She remarked that the snack made her thirsty and also requested a drink. (DIS: "Die Trying")
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Doritos promoting Star Trek
Tortilla chips were significant to Star Trek fans in the real world as well. In 1993, specially marked packages of Doritos tortilla chips, such as "Texas Tang" and "Cool Ranch", promoted the Star Trek trading cards from SkyBox.
Other Frito-Lay participating brands included Hostess Potato Chips, Ruffles, and Cheetos. KFC and Mountain Dew also participated.