Preheat oven to 350 degrees.
Line a cookie sheet with foil.
Cut another piece of foil large enough to tightly wrap the entire head of cauliflower.
Carefully cut a little hole in the core of the cauliflower (on the bottom).
Melt butter in microwave safe dish. Mix in minced garlic, parmesan cheese, pepper flakes, and dashes of salt and pepper.
Dip head of cauliflower in butter bowl and transfer cauliflower to foil. Coat the entire head of cauliflower with butter mixture. Use all the butter.
Tightly wrap cauliflower in foil.
Bake @ 350 for 1 hour 30 minutes.