Rinse the Brussell sprouts.Line a half-sheet pan with parchment paper and coat the parchment paper with avocado oil.Spray avocado oil Sprinkle with salt, pepper, and thyme.Cover with another sheet of parchment paper and place pan in the oven Bake for 45 minutesRemove the pan and place Brussels sprouts in a serving dish and sprinkle with parmesan cheese.