Add all onion, potatoes, celery, salt, carrot, garlic powder and broth to your pot. (add bacon bits if desired now too) Stir together
Put lid on and close steam valve. Press pressure high for 8 minutes.
When you hear the beep do a quick release.Carefully remove the lid and stir.
Add 1 1/2 cup of cheese, and heavy cream and stir until cheese has melted. It will thicken more as it sits.
If you want it a bit thicker turn pot to saute. Whisk together 3 tbsp of water or heavy cream together with 1 or 2 tbsp cornstarch until smooth, add into pot, stir, and allow to bubble and thicken more.Serve in a bowl garnished with extra cheese and parsley