Transfer cauliflower back to the large skillet. Over low heat blend in 2 - 3 tbsp of cream cheese. stir while it melts. (NOTE: you can substitute another fat such as sour cream if you prefer) and the parmesan cheese. Continue stirring periodically while the cheeses melt and fully integrate and while you finish the rest of your meal prep.
Notes
This can be made a day ahead and stored covered in the refrigerator. Heat over low heat in a large skillet, stirring periodically.