Also known as the Irish taco, it was invented by Conan O'brien for Taco Bell.

The O'taco, generally it resembles a burrito, it is filled with cabbage, mashed potatoes, a large amount of corn beef and drenched with Guinness before grilled.
"It's the O'taco from Taco Bell. Grab yours today at the end of a rainbow"
by Kyrenaz March 24, 2018
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