Add olive oil, cilantro, black beans and salt in the inner pot of instant pot. Select “Sauté”.
Close the lid and press the “Manual” button.
Cook for about 6 minutes on HIGH pressure and release the pressure naturally through the steam vent.
Open the lid and remove the mixture in a bowl.
Now, take a taco shell, place a spoonful of beans mixture, 2 teaspoons avocado slices, 2 teaspoons sour cream, some shredded cabbage, chopped green onions and top them with shredded cheddar cheese and sour cream.
Serve and enjoy!