Preheat oven to 475 degrees Fahrenheit or put on the broiler.
In a pot, over medium heat add your steamed cauliflower and milk and mix until all incorporated. Stir in 3/4 cup cheese. Stir until all mixed and cheese is melted.
Transfer to a baking dish.
Sprinkle with salt and pepper and the remaining cheese.
Put in the oven for 5-10 minutes until cheese is melted and bubbly. Broil if you want the cheese to get slightly brown and crispy on top!
Serve while hot.