Preheat the oven to 400 degrees.
In a large bowl, combine the coconut oil, lemon juice, garlic cloves, pink Himalyan salt and pepper.
Add the cauliflower and toss to coat.
Spread out the cauliflower on a large jelly roll pan (or other large pan with sides).
Bake for 30 minutes, or until the edges start to brown. Remove from the oven.
Using a spatula, push all of the cauliflower to the center of the pan. Sprinkle with the Parmesan cheese, if using.
Return to the oven for 2 minutes until the Parmesan cheese is melted.
Serve warm.
