Place a steamer basket in the Instant Pot and pour water.
Add the cauliflower in the basket.
Put the lid on and turn the valve to “Sealing.”
Select “Manual” mode and set the timer for 1 minute.
When the cook time is over, do a quick pressure release.
Remove lid and then, remove basket with cooked cauliflower. Keep this aside.
Remove/ discard water from the pressure cooker.
Turn on the "Saute" mode and add heavy cream, cream cheese, salt, pepper, garlic powder, onion powder, Italian seasoning.
Stir until mixture is smooth.
Turn off the instant pot and gently mix in cheddar cheese and the steamed cauliflower until all pieces are coated in the cheese mixture.
Garnish with fresh parsley and enjoy.