Remove any giblets or packaging from the 1 whole chicken. Pat it dry with paper towels so the seasoning sticks to the skin.
In a small dish, combine the 1 teaspoon garlic salt, 1 teaspoon onion powder, 1 teaspoon smoked paprika, 1 tablespoon kosher salt, and 1/2 teaspoon freshly ground black pepper.
Rub the 2 tablespoons olive oil over the chicken, then coat the entire bird with all of the seasoning.
Pour the 1/4 cup chicken broth and 2 tablespoons dry sherry into the bottom of a 6-quart cooker. Add the 1 pound halved small yellow potatoes, 1 quartered yellow onion, 8 garlic cloves, 3 celery stalks, and 3 peeled carrots. This may not seem like enough liquid, but the chicken and vegetables will release a lot of liquid as they cook.
Place the chicken on top of the vegetables, breast side up.
Secure the lid and set the steam release to sealing if your model requires it. Using your revised timing, cook at high pressure for 5 minutes per pound:3 pound chicken: 15 minutes4 pound chicken: 20 minutes5 pound chicken: 25 minutesThe countdown begins once the cooker reaches pressure. Always check doneness with a thermometer. Allow a natural pressure release for 15 minutes, then release any remaining steam according to your cooker’s instructions. Open the lid only after the pot has fully depressurized.
Check the thickest part of the breast and the innermost parts of the thigh and wing with a meat thermometer, avoiding bone. Each spot must reach 165°F. If needed, continue cooking and check again before browning.
For crispy skin, choose one of these methods:- Air fryer lid: Use a compatible lid and follow its basket, liquid, and clearance requirements. Air fry at 400°F for about 5–8 minutes, checking as the skin browns.- Oven broiler: Carefully lift the chicken onto a rimmed baking sheet, supporting it from underneath. Broil for about 4–5 minutes, watching closely to prevent burning. Transfer the chicken to a cutting board, cover and let it rest for 10 minutes before carving.
Carve and serve with the vegetables. Taste the juices, add more salt and pepper if needed, and spoon them over everything.