Mission Taco Joint and Nudo House STL‘s Qui Tran have brought back The PHO KING TACO ! Last available in 2014, The “Pho King Taco” uses @PhoKingQui ‘s family recipe for Vietnamese five spice pork and is topped with pickled carrots, cucumber serrano salsa fresca, and cilantro on a flour tortilla. A portion of all taco sales will go to the International Institute of St. Louis, the St. Louis-based organization that is committed to building a more connected and productive society to benefit immigrants, their families, and the wider community.