Tacotarian says Giant Taco is largest vegan one ‘in the universe’ By Heidi Knapp Rinella / RJ January 14, 2020 - 4:04 pmJanuary 14, 2020 - 4:04 pm A seven-inch-high taco shell is filled with french fries, plant-based protein, lettuce, guacamole, pico and vegan cheese.