Turn Instant Pot to saute and brown the chicken carcass for 3-5 minutes per side.
Add remaining ingredients.
Turn the Instant Pot to cook at high pressure for 45 minutes. It will take about 20 minutes to come to pressure.
After cook time, let the pressure cooker release naturally (takes about 30 minutes).
Pour the Instant Pot contents into a fine mesh strainer over a large bowl. Discard bones and vegetables.
Use immediately or let cool completely and store in the fridge for 3-4 days. Freeze for up to 6 months.
Notes
The quantities or types of vegetables and herbs don’t need to be exact. You can make a great broth with just a chicken carcass and water! The added ingredients just increase the depth of the flavor. But feel free to play around with different combinations, depending on what you have on hand.