Close the lid of the pressure cooker and make sure that the vent is set to sealing.
Press the meat function button on the Instant Pot and tick up the time to 65 minutes.
When the pork is done cooking, let it naturally release. Once naturally released, you can remove the pork and place it on a cutting board and shred it. Do NOT dump out the liquid from the Instant Pot.
Preheat oven to broil.
In a large, oven-safe skillet over medium-high heat, add your diced poblanos, beans, corn, and shredded pork. Season with salt and pepper then continue to cook to warm through the ingredients.
3 roasted poblanos, 15.5 ounce can of black beans, 1 cup frozen corn, Salt and pepper
Add the flour tortillas then ladle in about 1/2 cup - 2/3 cup of the salsa verde liquid. Toss to soften the tortillas and coat the ingredients in sauce.
6 flour tortillas
Sprinkle cheese on top then place in the oven to broil until cheese is melted.
3/4 cup shredded colby jack cheese
Garnish with green onions, if desired, then divide into bowls and serve!