Preheat oven to 400
Steam or blanch the cauliflower.
Take one block of cream cheese and microwave it for 2 minutes, take it out add about a half cup heavy cream.
Mix 1 cup shredded cheddar cheese, and 1 tablespoon of salted butter.
Microwave for another minute.
Put cauliflower in a oven safe dish top with cheese mixture.
Stir. Top with cheddar cheese and bake until golden brown and bubbly at 400 degrees. About 25 minutes.