Great thread!!! I love Brussels Sprouts!
As already mentioned, I cut in half and toss with sea salt, pepper, olive oil and place them face down on a roasting pan. Then drizzle the tops with good balsamic and roast for 40 min at 400 F. Easy and excellent!
But to make them sinfully yummy, I will cut them in half and set them face down in a cast iron fry pan with butter (already melted with fresh ground pepper). Sear them until they almost burn and then move the pan in the preheated 350 F. oven for about 25 minutes. Awesome!!!