Cut head of cauliflower into 1 or 2 inch pieces

Place cauliflower pieces into an insert pot- I used my smaller pot in pot insert that I use for meatloaf

Coat cauliflower with olive oil, salt and pepper

Pour 1 cup of water into pot

Place insert onto trivet and into pot

Close the lid and move valve to "seal" position

Cook on manual high pressure for 6 minutes

When timer beeps, quick release pressure

Open lid

Cauliflower should be soft enough to mash with a potato masher

Mash the cauliflower with a potato masher- I found that the metal version works better than the plastic version for this

Once cauliflower is "mashed" (it won't be completely mashed but will be broken up into mush smaller pieces) mix in the cream cheese, 1 cup of shredded cheese, sour cream and hot sauce. Continue to "mash" until all ingredients are combined evenly

Top with remaining 1 cup shredded cheese

You can leave as is and allow to melt on its own or...

You can place pan in the broiler and brown on the top to add additional melted cheesy goodness

Serve with your favorite dippers.....celery, pita chips, tortilla chips or carrots!  Enjoy!