Making homemade tortilla chips or strips for toppings on this Instant Pot Chicken Tortilla Soup is super easy. Take a few corn or flour tortillas and cut them into long, thin strips. Heat up some olive oil in a pan and fry the cut tortillas until they are crispy. Drain them on a plate lined with paper towels to remove excess oil. Sprinkle with salt and enjoy as a topping for your soup!