Start the Instant Pot on Saute mode for 30 minutes, that way it will stay on long enough for you to get the meat browned.
Cook the ground beef until almost browned, then add the garlic, onion, celery, and peppers and stir to combine. Cook for 3 minutes.
Add the remaining ingredients. Stir to combine.
Cook on Manual High Pressure for 3 minutes.
Natural Pressure Release for 5 minutes. Release the rest of the pressure.
Top with shredded cheese, sour cream, cilantro, and chips, if desired.
This recipe can be made in the slow cooker. Simply brown the ground beef and vegetables in a pan before adding them, along with all the other ingredients, to the slow cooker. Normal is equivalent to low on most slow cookers and More is equivalent to High on most slow cookers.