Preheat the oven to 425 degrees.
Slice the cauliflower into 1 inch steaks starting from the middle.
Spay baking sheet with the spray olive oil and lay your steaks on it.
Use the 2 Tbsp. of olive oil and brush each side of the cauliflower steaks.
Mix together the 1/2 cup of olive oil, all the herbs and spices and the 1/2 cup of Parmesan cheese. Mix well.
Using a spoon, spoon a little bit of the mix onto each cauliflower steak.
Then using a basting brush, brush the mixture all over each piece of cauliflower.
Repeat those two steps on the other side of the cauliflower.
Bake for 15 minutes and then remove and flip over.
Bake another 15 minutes.
Garnish with fresh parsley, additional Parmesan cheese, and additional salt and pepper as desired.