Instant Pot Oaxacan Chicken Tacos (adapted loosely from The Tortilla Book)

The most exciting part of The Tortilla Book for me was an introduction to Oaxacan cuisine, which contains all the familiar elements of Mexican cooking but with the addition of candied fruits and sweet, aromatic sauces.  Ms. Kennedy only credits regional influence, with Oaxaca being a melting pot of neighboring cuisines, but the flavor profile……